How to Care for Arowana Fish in an Aquarium

1. Aquarium Setup

• Tank Size: Choose a large aquarium, as Arowanas can grow up to 36 inches or more. A minimum of 250 gallons is recommended to provide ample swimming space.

• Water Conditions: Maintain a temperature between 75°F to 82°F (24°C to 28°C) and a pH level between 6.5 to 7.5. Regularly monitor water quality using a test kit.

• Filtration: Invest in a high-quality filtration system to maintain clean water. Arowanas are sensitive to poor water conditions, so efficient filtration is crucial.

2. Diet

• Feeding: Arowanas are carnivorous and require a diet high in protein. Offer a variety of foods such as:

  • High-quality pellets

  • Live or frozen foods (e.g., shrimp, insects, and small fish)

• Feeding Frequency: Feed adult Arowanas once a day, while younger ones may require feeding two to three times daily. Avoid overfeeding to prevent health issues.

3. Lighting

• Lighting Requirements: Provide moderate lighting to mimic natural habitats, adjusting brightness levels to avoid stress. Consider using LED lights to enhance the aquarium's aesthetic without overheating the water.

4. Maintenance

• Regular Water Changes: Perform partial water changes (around 25-30%) weekly to help maintain water quality and remove toxins.

• Cleaning: Regularly clean the tank, decorations, and filter, but avoid using soaps or chemicals that might harm the fish. Rinse items with water before placing them back in the aquarium.

5. Companionship

• Tank Mates: Introduce compatible species. Arowanas can be territorial, so choose larger, non-aggressive fish. Avoid small fish that may become prey.

• Monitoring Behavior: Observe the Arowana’s behavior closely. Stress or aggression can lead to health issues, so be prepared to separate fish if necessary.

6. Health Check

• Signs of Illness: Regularly check for signs of distress or illness such as lethargy, unusual swimming patterns, or loss of appetite. Promptly isolate and treat any sick fish.

• Routine Check-ups: Consider consulting a veterinarian experienced with exotic fish for regular check-ups or if you notice unusual behavior.

7. Environmental Enrichment

• Decorations: Add natural decorations like plants, driftwood, or rocks to provide hiding spots and reduce stress. Ensure all decorations are safe and free from sharp edges.

Proper care of Arowana fish requires attention to water quality, feeding, and environmental conditions. By following these guidelines, you can create a healthy and thriving habitat for your Arowana in an aquarium.