Harlequin Rasbora
The Harlequin Rasbora is a small, peaceful freshwater fish from Southeast Asia, prized for its striking copper-orange to pinkish-red body and distinctive black triangular marking. Ideal for community tanks, these schooling fish add color and activity to mid-water areas and thrive in planted, well-maintained aquariums.
Category: Rasboras
Species Type: Harlequin Rasbora (Trigonostigma heteromorpha)
Water Temperature: 72°F – 80°F (22°C – 27°C)
Minimum Tank Size: 10 gallons (larger recommended for schools)
Water pH Level: Acidic to Neutral (6.0 – 7.8)
Habitat Preference: Planted tanks, driftwood, leaf litter, subdued lighting
Behavior: Peaceful, schooling, community-friendly

















