Ultimate list of Arowana diseases

Arowanas, the highly coveted tropical fish species celebrated for their stunning size and unique appearance, are prone to various illnesses that can significantly compromise their overall health and well-being. As with any companion, these magnificent creatures are vulnerable to an array of afflictions that can cause them to deteriorate over time.

We have gathered a list of possible diseases for your reference. We hope that this list will help provide a valuable resource to help ensure that these beautiful creatures can live long, happy, and healthy lives.

Fin Rot

Cause of disease: Fin rot is one of the common Arowana diseases and it’s mainly a bacterial or fungal infection. It is caused by poor water quality, overcrowding, or physical injuries that lead to secondary infections.

Table of Contents

How to prevent fin rot

Maintain optimal water quality by performing regular water changes, testing for ammonia, nitrite, and nitrate levels, and using proper filtration systems.
Avoid overcrowding your aquarium, as it may lead to increased stress levels and disease transmission.
Properly acclimate new fish before introducing them to the aquarium to minimize the risk of disease transmission.
Provide a balanced diet to ensure your Arowana maintains a strong immune system.
Routinely inspect your Arowana for signs of injury, and promptly address any issues that arise.

How to treat fin rot

Treatment for fin rot involves addressing the underlying causes and administering appropriate medications. Begin by taking the following steps:

Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).
Reduce stress: Remove any stressors, such as aggressive tank mates or overcrowding, which may have contributed to your Arowana’s weakened immune system. Provide hiding spots and ample space for your fish to help minimize stress levels.
Apply medication: Consult a veterinarian or aquatic specialist to determine the appropriate medication for your Arowana’s specific infection. Common treatments for fin rot include broad-spectrum antibiotics or antifungal medications like API MELAFIX or API FIN & BODY CURE, which can be added to the water or used as a topical treatment.
Maintain a clean environment: Regularly remove uneaten food, debris, and waste to prevent further bacterial or fungal growth in the aquarium. Ensure proper filtration and circulation to help maintain a clean environment.
Monitor progress: Regularly inspect your Arowana’s fins for signs of improvement or worsening of the condition. Be patient, as fin regrowth may take several weeks or longer. If the condition does not improve, consult a veterinarian or aquatic specialist for further guidance.
Quarantine if necessary: If your Arowana’s fin rot is severe or if it has spread to other fish in the tank, it may be necessary to quarantine the affected fish in a separate treatment tank. This will allow you to administer medication more effectively and prevent the spread of the disease to other fish.
Support recovery: During the treatment process, it is essential to continue providing your Arowana with a balanced diet and stress-free environment. This will help boost its immune system and facilitate a full recovery.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent fin rot from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and regularly inspecting your Arowana for signs of injury or illness.

In conclusion, fin rot is a treatable condition that can be managed through proper care, medication, and environmental improvements. Following the outlined steps can help your Arowana recover and prevent future occurrences of this common disease. Remember, the key to successfully treating and preventing fin rot is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Dropsy

Cause of disease: Dropsy is a term used to describe a condition where an Arowana’s body becomes swollen due to the accumulation of fluids. This is usually a symptom of an underlying issue, such as bacterial infection, parasites, or kidney failure. Dropsy is also one of the common Arowana diseases.

How to prevent dropsy

Maintain optimal water quality by regularly monitoring water parameters and performing partial water changes.
Provide a balanced diet with high-quality, easily digestible foods to ensure proper nutrition and immune system support.
Quarantine and acclimate new fish properly before adding them to the main aquarium to prevent the introduction of pathogens.
Regularly inspect your Arowana for signs of illness or injury, and address any issues promptly.
Avoid overcrowding and minimize stress in the aquarium to reduce the risk of disease transmission.

How to treat dropsy

Dropsy can be difficult to treat, as it often involves multiple underlying issues. The following steps can help in treating dropsy in your Arowana:

Identify the underlying cause: Consult a veterinarian or aquatic specialist to determine the specific cause of dropsy in your Arowana. This may require tests, such as blood work, cultures, or biopsies.
Isolate the affected fish: If multiple fish are affected, quarantine the sick Arowana in a separate treatment tank to prevent further disease transmission.
Adjust water conditions: Ensure optimal water quality by performing partial water changes and adjusting the temperature, pH, and hardness as necessary. This can help reduce stress on your Arowana and support its immune system.
Administer medications: Depending on the underlying cause, your Arowana may require antibiotics, antiparasitic medications, or other treatments. API MELAFIX or API FIN & BODY CURE are recommended.
Consult with a veterinarian or aquatic specialist to determine the appropriate action.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. This will help you gauge the effectiveness of the treatment and make adjustments as needed.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment for your Arowana. This can help support its immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent dropsy from recurring. This includes maintaining optimal water quality, avoiding overcrowding, and properly acclimating new fish.

In conclusion, dropsy is a challenging condition to treat, and it is crucial to address the underlying causes to improve your Arowana’s chances of recovery. Remember, the key to successfully treating and preventing dropsy is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Swim Bladder Disease

Cause of disease: Swim bladder disease is a condition that affects an Arowana’s ability to maintain proper buoyancy. It can be caused by various factors, including bacterial or parasitic infections, poor water quality, constipation, or physical trauma. Most likely, the swim bladder disease is due to diet or overfeeding.

How to prevent swim bladder disease

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet in appropriate portions to avoid overfeeding and constipation.
Regularly inspect your Arowana for signs of injury or illness and address any issues promptly.

How to treat swim bladder disease

Treatment for swim bladder disease will vary depending on the underlying cause. Follow these steps to help your Arowana recover:

Determine the cause: Consult a veterinarian or aquatic specialist to identify the specific cause of your Arowana’s swim bladder issue. This may involve tests, such as blood work, cultures, or biopsies.
Address water quality: Ensure optimal water quality by performing partial water changes, monitoring water parameters, and adjusting temperature, pH, and hardness as necessary.
Adjust feeding habits: If overfeeding or constipation is a contributing factor, reduce the amount of food given and consider offering easily digestible, high-fibre foods, such as shelled peas or daphnia, to help alleviate constipation.
Administer medications: Use products like KOIKA BACM which is a probiotic for fish to help improve digestion.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. This will help you gauge the effectiveness of the treatment and make adjustments as needed.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent swim bladder disease from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

In conclusion, swim bladder disease can be a challenging condition to treat, but with proper care and attention to the underlying causes, your Arowana can recover. Remember, the key to successfully treating and preventing swim bladder disease is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Ich (White Spot Disease)

Cause of disease: Ich, also known as white spot disease, is a parasitic infection caused by the protozoan Ichthyophthirius multifiliis. This parasite invades the Arowana’s skin, gills, and fins, causing white spots, irritation, and difficulty breathing. Ich is one of the Arowana diseases that is caused by Parasites.

How to prevent Ich (White Spot Disease)

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing the parasite.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Ich (White Spot Disease)

Treatment for Ich involves a combination of medication and environmental adjustments. Follow these steps to help your Arowana recover:

Increase water temperature: Gradually raise the aquarium temperature to 86°F (30°C) over a period of 48 hours. This accelerates the life cycle of the parasite, making it more susceptible to medication.
Administer medication: Consult a veterinarian or aquatic specialist to determine the appropriate medication for treating Ich in your Arowana. Common treatments include copper-based medications or formalin-malachite green mixtures. We recommend using API Liquid Super Ick Cure to treat the disease and API Aquarium Salt to help with the recovery.
Maintain water quality: Continue to monitor water parameters and perform partial water changes as necessary during treatment to maintain optimal water quality. Be aware that some medications may affect beneficial bacteria in your aquarium, so closely monitor ammonia and nitrite levels.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The white spots should start to disappear as the parasites detach from the fish. Be prepared to continue treatment until all signs of the parasite have vanished.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent Ich from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

In conclusion, Ich is a treatable condition that can be managed through proper care, medication, and environmental adjustments. Following the outlined steps and consulting with a veterinarian or aquatic specialist can help your Arowana recover from Ich and prevent future outbreaks. Remember, the key to successfully treating and preventing Ich is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Gill Flukes

Cause of disease: Gill flukes, also known as Dactylogyrus or Gyrodactylus, are parasitic flatworms that infect the gills of Arowanas. These parasites can cause irritation, inflammation, and difficulty breathing, which may lead to stress and decreased immune function.

How to prevent Gill flukes

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing parasites.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Gill flukes

Treatment for gill flukes involves the use of anti-parasitic medications and may require multiple treatments to ensure complete eradication. Follow these steps to help your Arowana recover:

Diagnose the infection: Consult a veterinarian or aquatic specialist to confirm the presence of gill flukes in your Arowana. This may require microscopic examination of gill clippings or skin scrapings.
Administer medication: Consult a veterinarian or aquatic specialist to determine the appropriate medication for treating gill flukes in your Arowana. Common treatments include praziquantel, formalin, or potassium permanganate. Follow the manufacturer’s instructions for dosage and treatment duration.
Maintain water quality: Continue to monitor water parameters and perform partial water changes as necessary during treatment to maintain optimal water quality. Be aware that some medications may affect beneficial bacteria in your aquarium, so closely monitor ammonia and nitrite levels.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The gill flukes should begin to disappear as the parasites detach from the fish. Be prepared to continue treatment until all signs of the parasite have vanished.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent gill flukes from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

In conclusion, gill flukes are a treatable condition that can be managed through proper care, medication, and environmental adjustments. Following the outlined steps and consulting with a veterinarian or aquatic specialist can help your Arowana recover from gill flukes and prevent future outbreaks. Remember, the key to successfully treating and preventing gill flukes is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Hole-in-the-Head Disease (HITH)

Cause of disease: Hole-in-the-Head Disease, also known as HITH or Head and Lateral Line Erosion (HLLE), is a condition that causes lesions and pits to develop on the head and lateral line of Arowanas. The exact cause of HITH is still debated, but factors such as poor water quality, nutritional deficiencies, and certain protozoan parasites are believed to contribute to the development of the disease.

How to prevent Hole-in-the-Head Disease (HITH)

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet that includes essential vitamins and minerals to support your Arowana’s immune system.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing parasites.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Hole-in-the-Head Disease (HITH)

Treatment for HITH involves addressing the underlying causes and providing supportive care. Follow these steps to help your Arowana recover:

Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).
Enhance nutrition: Review your Arowana’s diet and ensure it is receiving a balanced mix of high-quality, vitamin-rich foods. Incorporate foods containing essential vitamins, such as vitamin C and vitamin D, to help promote tissue repair and immune function.
Administer medication: If a protozoan parasite is suspected as the cause, consult a veterinarian or aquatic specialist to determine the appropriate medication for treating the infection. Common treatments include metronidazole or other anti-parasitic medications. Fritz Aquatics ParaCleanse or Seachem MetroPlex Metronidazole will be very useful in this case.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The lesions should begin to heal, and tissue regrowth may occur over time. Be patient, as the healing process may take several weeks or longer.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent HITH from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced, vitamin-rich diet.

In conclusion, Hole-in-the-Head Disease is a treatable condition that can be managed through proper care, medication, and environmental improvements. By following the outlined steps, you can help your Arowana recover and prevent future occurrences of this disease. Remember, the key to successfully treating and preventing HITH is to maintain a clean, stress-free environment and provide a balanced, vitamin-rich diet for your Arowana.

Red Pest (Hemorrhagic Septicemia)

Cause of disease: Red Pest, also known as Hemorrhagic Septicemia, is a bacterial infection caused by Aeromonas or Pseudomonas species. The infection leads to red, ulcer-like sores on the Arowana’s skin, as well as lethargy, loss of appetite, and difficulty swimming. Note that the viral hemorrhagic septicemia virus (VHSV) is a highly contagious virus and can lead infect other fishes in the community.

How to prevent Red Pest

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Red Pest

Treatment for Red Pest involves a combination of medication and environmental improvements. Follow these steps to help your Arowana recover:

Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).
Administer medication: Consult a veterinarian or aquatic specialist to determine the appropriate medication for treating Red Pest in your Arowana. Common treatments include antibiotics, such as kanamycin or enrofloxacin. Follow the manufacturer’s instructions for dosage and treatment duration.
Isolate infected fish: If possible, move the infected Arowana to a quarantine tank during treatment to prevent the spread of infection to other fish in the main aquarium. Remember that this is a contagious virus.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The red sores should begin to heal, and your fish should regain its appetite and energy levels over time. Be patient, as the healing process may take several weeks.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent Red Pest from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

In conclusion, Red Pest is a treatable condition but it’s not an easy process. It still can be managed through proper care, medication, and environmental improvements. By following the outlined steps, you can help your Arowana recover and prevent future occurrences of this disease. Remember, the key to successfully treating and preventing Red Pest is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Pop-eye Disease (Exophthalmia)

Cause of disease: Pop-eye Disease, also known as exophthalmia, is a condition where one or both eyes of the Arowana protrude abnormally from the socket. This can be caused by a variety of factors, including bacterial infections, parasitic infections, poor water quality, physical injury, or gas embolism.

How to prevent Pop-eye disease

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Pop-eye disease

Treatment for Pop-eye Disease depends on identifying the underlying cause. Follow these steps to help your Arowana recover:

Assess water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality.
Identify the cause: Consult a veterinarian or aquatic specialist to determine the cause of the pop-eye. This may involve a physical examination, skin scrapings, or blood tests to identify bacterial or parasitic infections.
Administer medication: If a bacterial or parasitic infection is identified as the cause, consult a veterinarian or aquatic specialist to determine the appropriate medication for treating the infection. Common treatments include antibiotics, such as tetracycline or erythromycin, or antiparasitic medications, depending on the cause of the infection. Follow the manufacturer’s instructions for dosage and treatment duration.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The affected eye(s) should begin to return to their normal position over time. Be patient, as the healing process may take several weeks or longer.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent Pop-eye Disease from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

In conclusion, Pop-eye Disease is a treatable condition that can be managed through proper care, medication, and environmental improvements. By following the outlined steps, you can help your Arowana recover and prevent future occurrences of this disease. Remember, the key to successfully treating and preventing Pop-eye Disease is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Velvet Disease (Oodinium)

Cause of disease: Velvet Disease, also known as Oodinium or Rust or Gold Dust disease, is a parasitic infection caused by the dinoflagellate parasite Oodinium pillularis. This parasite appears as a fine, gold or rust-coloured dust on the Arowana’s body, causing irritation, excessive scratching, rapid breathing, and clamped fins.

How to prevent Velvet disease

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Velvet disease

Treatment for Velvet Disease involves a combination of medication and environmental improvements. Follow these steps to help your Arowana recover:

Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).
Administer medication: Consult a veterinarian or aquatic specialist to determine the appropriate medication for treating Velvet Disease in your Arowana. Common treatments include copper-based medications or formalin. Follow the manufacturer’s instructions for dosage and treatment duration.
Adjust lighting: Velvet parasites are photosynthetic, meaning they use light to grow and reproduce. Reducing the lighting in your aquarium for a short period can help slow down the growth and reproduction of the parasites.
Isolate infected fish: If possible, move the infected Arowana to a quarantine tank during treatment to prevent the spread of infection to other fish in the main aquarium.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The gold or rust-coloured dust should begin to disappear, and your fish should regain its energy levels over time. Be patient, as the healing process may take several weeks.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent Velvet Disease from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

In conclusion, Velvet Disease is a treatable condition that can be managed through proper care, medication, and environmental improvements. By following the outlined steps, you can help your Arowana recover and prevent future occurrences of this disease. Remember, the key to successfully treating and preventing Velvet Disease is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Lymphocystis

Cause of disease: Lymphocystis is a viral infection that affects Arowanas and other fish species. This disease is caused by the Lymphocystis virus, a member of the Iridoviridae family. It manifests as cauliflower-like growths on the fish’s skin, fins, and mouth, which can lead to difficulty swimming, breathing, and feeding.

How to prevent Lymphocystis

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Lymphocystis

There is no specific treatment for Lymphocystis, as it is a viral infection. However, you can take steps to support your Arowana’s immune system and maintain a healthy environment, which can help your fish recover from the infection:

Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).
Provide supportive care: Provide a balanced diet rich in vitamins and minerals to help support your Arowana’s immune system. You can also add immune-boosting supplements to their diet, such as vitamin C or garlic.
Minimize stress: Reduce stress in the aquarium by providing adequate hiding spots, avoiding overcrowding, and maintaining a stable environment.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The cauliflower-like growths should begin to shrink and eventually disappear as the fish’s immune system fights off the infection. Be patient, as the healing process may take several weeks or even months.
Prevent secondary infections: As your Arowana recovers from Lymphocystis, it may be more susceptible to secondary bacterial or fungal infections. Maintain optimal water quality and monitor your fish closely for any signs of additional illnesses. If you notice any secondary infections, consult a veterinarian or aquatic specialist for advice on appropriate treatment.

In conclusion, although there is no specific treatment for Lymphocystis, you can support your Arowana’s recovery by maintaining optimal water quality, providing a balanced diet, and minimizing stress. By following these steps, you can help your Arowana recover and prevent future occurrences of this disease. Remember, the key to successfully managing Lymphocystis is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Black Spot Disease (Diplopstomiasis)

Cause of disease: Black Spot Disease, also known as Diplopstomiasis, is a parasitic infection caused by digenean trematode larvae. These parasites burrow into the fish’s skin, forming small, dark spots or cysts. Arowanas and other fish species can be affected by this disease, which can cause irritation, excessive scratching, and secondary infections.

How to prevent Black Spot Disease

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Black Spot Disease

Treatment for Black Spot Disease involves a combination of medication and environmental improvements. Follow these steps to help your Arowana recover:

Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).
Administer medication: Consult a veterinarian or aquatic specialist to determine the appropriate medication for treating Black Spot Disease in your Arowana. Common treatments include Praziquantel or other anthelmintic medications. Follow the manufacturer’s instructions for dosage and treatment duration.
Isolate infected fish: If possible, move the infected Arowana to a quarantine tank during treatment to prevent the spread of infection to other fish in the main aquarium.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The dark spots should begin to disappear, and your fish should regain its energy levels over time. Be patient, as the healing process may take several weeks.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent Black Spot Disease from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

In conclusion, Black Spot Disease is a treatable condition that can be managed through proper care, medication, and environmental improvements. By following the outlined steps, you can help your Arowana recover and prevent future occurrences of this disease. Remember, the key to successfully treating and preventing Black Spot Disease is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Eye Cloud (Cloudy Eye)

Cause of disease: Eye Cloud, or Cloudy Eye, is a condition that affects Arowanas and other fish species. The disease is usually a symptom of an underlying problem, such as bacterial, viral, or fungal infections, poor water quality, or injury. It manifests as a cloudy or hazy appearance in one or both eyes, potentially leading to vision impairment or even blindness if left untreated.

How to prevent Cloudy Eye

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Cloudy Eye

Treatment for Eye Cloud depends on the underlying cause. Follow these steps to help your Arowana recover:

Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).
Identify the underlying cause: Consult a veterinarian or aquatic specialist to determine the cause of the Eye Cloud in your Arowana. This may involve testing water samples, examining the fish, or conducting other diagnostic tests.
Administer medication: Based on the identified cause, your veterinarian or aquatic specialist will recommend appropriate medication for treating the Eye Cloud. This could include antibacterial, antiviral, or antifungal medications. Follow the manufacturer’s instructions for dosage and treatment duration.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The cloudiness in the eye(s) should begin to clear, and your fish should regain its normal vision over time. Be patient, as the healing process may take several weeks.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent Eye Cloud from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

In conclusion, Eye Cloud is a treatable condition that can be managed through proper care, medication, and environmental improvements. By following the outlined steps, you can help your Arowana recover and prevent future occurrences of this disease. Remember, the key to successfully treating and preventing Eye Cloud is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Tilted (Overturned) Gill Covers

Cause of disease: Tilted or Overturned Gill Covers is a physical condition that affects Arowanas and other fish species. It is not a disease caused by a specific pathogen but rather a deformation or injury that results in the gill covers not closing properly. The causes of this issue can be congenital, developmental, or due to an injury sustained during handling or aggressive interactions with other fish.

How to prevent Tilted or Overturned Gill Covers

Provide a spacious, well-decorated tank to reduce aggression and territorial disputes among fish.
Keep compatible tank mates to minimize the risk of aggressive interactions.
Handle your Arowana carefully and with the appropriate equipment to avoid causing injury.
Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet to support your Arowana’s overall health and development.

How to treat Tilted or Overturned Gill Covers

Treatment for Tilted or Overturned Gill Covers depends on the severity of the condition and the underlying cause:

Identify the cause: Assess the situation to determine whether the issue is congenital, developmental, or due to an injury. If the cause is an injury, identify any factors that may have contributed to the injury, such as aggressive tank mates or improper handling.
Manage the environment: If the issue is due to aggression or territorial disputes, consider rearranging the tank decorations, adding more hiding spots, or separating aggressive tank mates. Ensure that your aquarium has ample space for your Arowana to swim and grow.
Monitor water quality: Maintain optimal water quality to support your Arowana’s health and recovery. Test the water parameters regularly, perform partial water changes, and use proper filtration systems to ensure a clean, stable environment.
Provide supportive care: Offer a balanced, high-quality diet to help your Arowana recover and grow properly. If the issue is developmental, a nutritious diet and proper care may help correct the problem as the fish matures.
Consult a professional: If the condition persists or worsens, consult an aquatic veterinarian or fish specialist for further guidance. In severe cases, surgery may be necessary to correct the issue, but this should only be done by a qualified professional.

In conclusion, Tilted or Overturned Gill Covers can be managed through proper care, environmental adjustments, and, if necessary, professional intervention. By addressing the underlying cause and providing a supportive environment, you can help your Arowana recover and prevent future occurrences of this condition. Remember, the key to successfully treating and preventing Tilted or Overturned Gill Covers is to maintain a clean, stress-free environment and provide a balanced diet for your Arowana.

Protruding Scales Disease

Cause of disease: Protruding Scales Disease, also known as Pinecone Disease or Dropsy, is caused by a build-up of fluid in the Arowana’s body, leading to inflammation and the outward protrusion of scales. The underlying causes of this fluid retention can be bacterial infections, parasitic infections, organ failure, or poor water quality.

How to prevent:
1. Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
2. Provide a balanced, high-quality diet to support your Arowana’s immune system.
3. Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections.
4. Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
5. Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat:
Treatment for Protruding Scales Disease depends on the underlying cause. Follow these steps to help your Arowana recover:

1. Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).

2. Identify the underlying cause: Consult a veterinarian or aquatic specialist to determine the cause of the fluid retention in your Arowana. This may involve testing water samples, examining the fish, or conducting other diagnostic tests.

3. Administer medication: Based on the identified cause, your veterinarian or aquatic specialist will recommend appropriate medication for treating the Protruding Scales Disease. This could include antibiotics, antiparasitics, or other medications. Follow the manufacturer’s instructions for dosage and treatment duration.

4. Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The swelling and protruding scales should begin to subside, and your fish should regain its normal appearance over time. Be patient, as the healing process may take several weeks.

5. Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.

6. Prevent recurrence: Once your Arowana has recovered, take steps to prevent Protruding Scales Disease from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

Rotting Gills Disease

Cause of disease: Rotting Gills Disease is a bacterial infection that affects the gills of Arowanas and other fish species. The disease is usually caused by bacteria from the genus Aeromonas or Pseudomonas. It can lead to inflammation, necrosis, and ultimately the breakdown of the gill tissue.

How to prevent Rotting Gills Disease

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat Rotting Gills Disease

Treatment for Rotting Gills Disease involves a combination of medication and environmental improvements. Follow these steps to help your Arowana recover:

Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).
Administer medication: Consult a veterinarian or aquatic specialist for the appropriate antibiotics to treat Rotting Gills Disease, typically broad-spectrum antibiotics effective against Aeromonas or Pseudomonas bacteria. Follow the manufacturer’s instructions for dosage and treatment duration.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The inflammation and necrosis should begin to subside, and your fish should regain its normal gill function over time. Be patient, as the healing process may take several weeks.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent Rotting Gills Disease from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.

Stomach Ailments

Cause of disease: Stomach Ailments in Arowanas can be caused by various factors, including poor diet, overfeeding, internal parasites, bacterial infections, or blockages due to ingesting foreign objects.

How to prevent stomach ailments

Provide a balanced, high-quality diet to support your Arowana’s digestive health.
Avoid overfeeding, as this can lead to digestive issues and poor water quality.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections or parasites.
Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat stomach ailments

Treatment for Stomach Ailments depends on the underlying cause. Follow these steps to help your Arowana recover:

Identify the underlying cause: Consult a veterinarian or aquatic specialist to determine the cause of the Stomach Ailment in your Arowana. This may involve testing water samples, examining the fish, or conducting other diagnostic tests.
Adjust feeding habits: If the issue is related to diet or overfeeding, adjust the type and amount of food provided to your Arowana. Make sure to feed a balanced diet and avoid overfeeding.
Administer medication: Based on the identified cause, your veterinarian or aquatic specialist will recommend appropriate medication for treating the Stomach Ailment. This could include antibiotics, antiparasitics, or other medications. Follow the manufacturer’s instructions for dosage and treatment duration.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The symptoms should begin to subside, and your fish should regain its normal digestive function over time. Be patient, as the healing process may take several weeks.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent Stomach Ailments from recurring. This includes providing a balanced diet, avoiding overfeeding, properly acclimating new fish, and maintaining optimal water quality.

Fungal Infections

Cause of disease: Fungal infections in Arowanas can be caused by various fungi, such as Saprolegnia or Achlya, which typically attack fish that are already weakened by stress, poor water quality, or other illnesses. Fungal infections can manifest as cotton-like growths on the skin, fins, and gills of the Arowana.

How to prevent fungal infections

Maintain optimal water quality by regularly monitoring water parameters, conducting partial water changes, and using proper filtration systems.
Provide a balanced, high-quality diet to support your Arowana’s immune system.
Quarantine and acclimate new fish properly before introducing them to the main aquarium to reduce the risk of introducing infections.
Avoid overcrowding and minimize stress in the aquarium, which can weaken your Arowana’s immune system and make it more susceptible to infections.
Regularly inspect your Arowana for signs of illness and address any issues promptly.

How to treat fungal infections

Treatment for fungal infections in Arowanas involves a combination of medication and environmental improvements. Follow these steps to help your Arowana recover:

Improve water quality: Test the water parameters in your aquarium, ensuring ammonia, nitrite, and nitrate levels are within acceptable ranges. Perform partial water changes regularly, usually around 25% weekly, to maintain optimal water quality. Additionally, make sure the temperature remains stable, typically between 76-86°F (24-30°C).
Administer medication: Consult a veterinarian or aquatic specialist for the appropriate antifungal medication to treat the fungal infection. Common antifungal medications used in aquariums include malachite green, methylene blue, or potassium permanganate. Follow the manufacturer’s instructions for dosage and treatment duration.
Monitor progress: Regularly observe your Arowana for signs of improvement or worsening of its condition. The cotton-like growths should begin to subside, and your fish should regain its normal appearance over time. Be patient, as the healing process may take several weeks.
Provide supportive care: During treatment, continue to provide a balanced diet and stress-free environment to help support your Arowana’s immune system and overall health.
Prevent recurrence: Once your Arowana has recovered, take steps to prevent fungal infections from recurring. This includes maintaining optimal water quality, avoiding overcrowding, properly acclimating new fish, and providing a balanced diet.