Harlequin Rasbora (Trigonostigma heteromorpha)
Classic species — orange body with black triangular wedge. 2 inches.
Hardy, peaceful, schools tightly. Excellent community fish.
Chili Rasbora (Boraras brigittae)
Tiny (0.7 inches). Bright red coloration. Perfect nano tank centerpiece.
Group of 12-15 for proper school behavior.
Galaxy Rasbora / Celestial Pearl Danio (Danio margaritatus)
Tiny (1 inch). Spotted pattern with red fins. Specialty fish.
Discovered in 2006. Wild populations protected. Tank-bred specimens widely available.
Tank Requirements
Small tanks: 10 gallons for nano rasboras, 30 gallons for harlequins.
Soft, slightly acidic water (pH 6.5-7.2).
Heavy planting and floating plants for security.
- ✦Add Indian almond leaves for tannins
- ✦Low to moderate light — bright lights stress small rasboras
- ✦Don't mix tiny and medium rasboras — size differences cause stress