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✅ The classic Harlequin Rasbora has a streamlined body with a distinctive triangular patch of iridescent blue or green on its back, resembling a harlequin mask. The rest of its body is typically silver or gold, and there is a prominent black wedge-shaped marking on its posterior
✅ Adult Harlequin Rasboras are relatively small, reaching an average size of around 1.5 to 2 inches (3.8 to 5 cm)
✅ Harlequin Rasboras thrive in well-planted aquariums with subdued lighting. They appreciate a tank with peaceful tankmates, as they are a gentle species. Provide them with hiding spots among plants and open swimming areas
✅ Maintain a tropical freshwater environment with a temperature range of 72°F to 79°F (22°C to 26°C). The pH level should be around 6.0 to 7.5, and water hardness between 2 to 10 dKH
✅ Harlequin Rasboras are omnivores. They accept a variety of foods, including high-quality flakes, small pellets, and live or frozen foods like brine shrimp and daphnia
✅ These rasboras are peaceful and should be kept in groups of at least six individuals. They are schooling fish, and their social behavior becomes more apparent in larger numbers
✅ The Harlequin Rasbora (Trigonostigma heteromorpha) is a popular and attractive freshwater fish in the aquarium hobby
✅ Rasbora heteromorpha generally spawns on the undersides of broad-leaved plants. A breeding tank with shallow, warm, acidic, soft water with broad-leaved plants should be set up
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