Can Rummy Nose Tetra Live With Celestial Pearl Danio?
Rummy Nose Tetra and Celestial Pearl Danio are compatible. Temperature overlap 75–78°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Rummy Nose Tetra | Celestial Pearl Danio | Overlap |
|---|---|---|---|
| Temperature | 75–84°F | 72–78°F | 75–78°F ✓ |
| pH Range | 5.5–7 | 6.5–7.5 | 6.5–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2.5" | 1" | Similar ✓ |
| Min Tank Size | 20 gal | 10 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | intermediate | beginner | — |
Tank Requirements for Rummy Nose Tetra + Celestial Pearl Danio
To keep Rummy Nose Tetra and Celestial Pearl Danio together, you need at minimum a 20 gallon tank. Rummy Nose Tetra should be kept in a school of 8+. Celestial Pearl Danio should be kept in a school of 8+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Rummy Nose Tetra
Hemigrammus rhodostomus
Rummy nose tetras are considered the ultimate schooling fish in the freshwater hobby. Their tight, synchronized formations are unmatched by any other tetra species. The vivid red nose serves as a health indicator — bright red means healthy, pale red means stressed. They prefer soft, acidic water and are slightly more demanding than neon tetras.
Full care guide →Celestial Pearl Danio
Danio margaritatus
Celestial pearl danios (also called galaxy rasboras) are tiny, jewel-like fish discovered in Myanmar in 2006. Their dark blue body is covered in iridescent pearl-white spots, with bright orange-red fins striped with black. Despite their exotic appearance, they are hardy and easy to care for — one of the hobby's best-kept secrets for nano tanks.
Full care guide →