Can Harlequin Rasbora Live With Denison Barb?
Harlequin Rasbora and Denison Barb are compatible. Temperature overlap 73–77°F. Both peaceful.
Conditions: Minimum 55 gallon tank.
Parameter Comparison
| Parameter | Harlequin Rasbora | Denison Barb | Overlap |
|---|---|---|---|
| Temperature | 72–81°F | 59–77°F | 73–77°F ✓ |
| pH Range | 5.5–7 | 6.5–7.8 | 6.5–7.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 5.9" | Similar ✓ |
| Min Tank Size | 11 gal | 53 gal | 55 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | intermediate | — |
Tank Requirements for Harlequin Rasbora + Denison Barb
To keep Harlequin Rasbora and Denison Barb together, you need at minimum a 55 gallon tank. Harlequin Rasbora should be kept in a school of 8+. Denison Barb should be kept in a school of 6+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Harlequin Rasbora
Trigonostigma heteromorpha
The Harlequin Rasbora (Trigonostigma heteromorpha) is a beginner freshwater species known for its orange-pink, black triangle coloration. Classic schooling fish. Mid.
Full care guide →Denison Barb
Sahyadria denisonii
The Denison Barb (Sahyadria denisonii) is a intermediate freshwater species known for its silver, red stripe, black stripe coloration. Also called roseline shark. Mid.
Full care guide →