A good environment
- Recommended temperature
- 23 ~ 27°C
- Recommended pH
- 5.8 ~ 7.3
- Preferred water hardness
- Medium hardness
- Minimum aquarium
- 54L or more
A beginner-friendly fish guide
Harlequin Rasbora
Harlequin Rasbora
Trigonostigma heteromorpha
Gentle temperament; shoaling fish. Check the planner before choosing tank mates.
Beginner level 5/5
Temperament & group size
Gentle temperament; Shoaling fish.
For a comfortable group, keep at least 6.
Usually swims in the upper & middle.
Tank-mate notes
Adult shrimp may do well with hiding places, though individual fish vary.
Baby shrimp may be eaten. A separate breeding tank is safer.
Check each combination carefully, especially when size or temperament differs.