Our Guide To Keeping Purple Harlequin Rasbora Fish

1. About Fish Species:

   • Scientific name: Trigonostigma heteromorpha (Purple variant)
   • Common name: Purple Harlequin Rasbora
   • Family: Cyprinidae
   • Origin: Southeast Asia, primarily Malaysia, Singapore, and Thailand
   • Adult length: 4 to 5 cm
   • Lifespan: 5 to 8 years

2. Tank Setup:

   • Purple Harlequin Rasboras require a well-planted tank with areas for open swimming. A minimum tank size of 60L is suitable for a small group of these fish.
   • Incorporate plants like Java Fern, Cryptocoryne, and floating plants to offer hiding spots. A darker substrate and subdued lighting will help show off their beautiful colors.

3. Water Parameters:

   • Purple Harlequin Rasboras thrive in soft, slightly acidic water with a pH range of 6.0 to 7.0.
   • Maintain a water temperature between 22 to 27°C (72 to 81°F).

4. Filtration and Water Flow:

   • A gentle water flow is ideal for Purple Harlequin Rasboras, so use a filter that provides low current to avoid stressing them.

5. Diet:

   • Purple Harlequin Rasboras are omnivores. Offer them a balanced diet of high-quality flakes or micro pellets as a daily staple.
   • Supplement their diet with occasional live or frozen foods like bloodworms, brine shrimp, and daphnia to boost their health and coloration.

6. Tank mates:

   • Purple Harlequin Rasboras are peaceful and do well in groups of six or more to encourage natural schooling behavior and reduce stress.
   • They get along well with other peaceful fish such as neon tetras, Corydoras, small gouramis, and other small rasboras.

7. Behavior and Compatibility:

   • Purple Harlequin Rasboras are active swimmers and peaceful, making them perfect for community tanks. They prefer the middle to upper tank levels.
   • Avoid housing them with aggressive fish species that may nip at their fins or cause stress.