Koi Angelfish (Pterophyllum scalare)

Pterophyllum scalare (Angelfish) Care Guide with Aquarium Size Requirement:

1. Species Overview:

• Pterophyllum scalare, commonly known as Angelfish, is a graceful and popular freshwater fish species native to the Amazon River basin. Known for their distinct triangular shape and long fins, Angelfish are a striking addition to community aquariums.

2. Aquarium Size:

• Provide an aquarium with a capacity of at least 20 gallons for a pair of Angelfish.
• Larger tanks, around 30 gallons or more, are recommended for a small group or community setting.
• Consider the height of the tank, as Angelfish have tall bodies and long fins.

3. Water Parameters:

• Maintain stable water conditions with a temperature range of 75°F to 82°F (24°C to 28°C).
• Keep the pH level in the range of 6.5 to 7.5.
• Ensure moderate water hardness.

4. Substrate and Decor:

• Use a fine-grained substrate, and include tall plants and driftwood to mimic their natural habitat.
• Provide open swimming areas and hiding spots.

5. Diet:

• Angelfish are omnivores. Offer a balanced diet including high-quality flakes, pellets, and live or frozen foods such as brine shrimp and bloodworms.

6. Behavior:

• Angelfish are generally peaceful, but they may show territorial behavior, especially during breeding.
• Keep them with tank mates that are not overly aggressive and won't nip at their long fins.

7. Tank Mates:

• Compatible with other peaceful community fish like tetras, rasboras, and other non-aggressive cichlids.
• Avoid aggressive or fin-nipping species.

8. Size of the Fish:

• Angelfish can grow to a size of 6 to 8 inches (15 to 20 cm) in height, including their fins.

9. Disease Prevention:

• Quarantine new additions before introducing them to the main tank to prevent the spread of diseases.
• Watch for signs of stress, parasites, or infections.

10. Maintenance:

• Conduct regular water changes of 20% every two weeks to maintain optimal water quality.
• Provide proper filtration, and ensure a well-aerated environment.

By following these care guidelines, you can create a suitable and thriving environment for Angelfish in your freshwater aquarium.