Purple Harlequin Rasbora (Trigonostigma heteromorpha)

Purple Harlequin Rasbora Care Guide with Aquarium Size Requirement:

1. Species Overview:

• The Purple Harlequin Rasbora (Rasbora heteromorpha) is a captivating freshwater fish known for its vibrant purple and gold coloration. Native to Southeast Asia, it is a peaceful and schooling species that adds beauty to community aquariums.

2. Aquarium Size:

• Provide a tank with a minimum size of 10 gallons for a small group of Purple Harlequin Rasboras. A larger tank of 20 gallons or more is recommended for a larger school.
• These rasboras are small, but they appreciate swimming space and feel more secure in groups of six or more.

3. Water Parameters:

• Maintain a stable water temperature between 73°F to 82°F (23°C to 28°C).
• Aim for a slightly acidic to neutral pH level, ideally between 6.0 and 7.0.
• Keep the water hardness in the soft to moderate range, around 5 to 15 dGH.

4. Size of the Fish:

• Purple Harlequin Rasboras typically grow to a size of about 1.5 to 2 inches (3.8 to 5 centimeters).

5. Tank Decor:

• Set up the aquarium with dark substrate to enhance the coloration of the rasboras. Use live plants, driftwood, and floating vegetation to create a natural environment.
• Provide open swimming areas and places for the rasboras to hide.

6. Diet:

• Purple Harlequin Rasboras are omnivores. Feed them a balanced diet that includes high-quality flakes, small pellets, and occasional live or frozen foods like brine shrimp and daphnia.
• Offer small, frequent meals to accommodate their small size and fast metabolism.

7. Behavior:

• These rasboras are peaceful and prefer the company of their own kind. They are schooling fish, so keep them in groups to ensure their well-being.
• They are active swimmers and enjoy exploring all levels of the aquarium.

8. Tank Mates:

• Choose tank mates that are compatible in size and temperament. Suitable companions include other small, peaceful community fish such as other rasboras, tetras, and dwarf cichlids.
• Avoid aggressive or fin-nipping species.

9. Tank Maintenance:

• Regular water changes of 20% every two weeks are recommended to maintain good water quality.
• Utilize a quality filtration system suitable for the tank size to ensure clean water.

10. Breeding:

• Breeding Purple Harlequin Rasboras in captivity can be challenging. Provide dense plantings and fine-leaved plants for egg deposition.
• A separate breeding tank with gentle filtration and soft, acidic water may encourage successful breeding.

By following these care guidelines and providing an appropriately sized and well-maintained aquarium, Purple Harlequin Rasboras can thrive, showcasing their vibrant colors and peaceful nature in a community setting.