Can Molly Live With Rummy Nose Tetra?
Molly and Rummy Nose Tetra are compatible. Temperature overlap 75–82°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Molly | Rummy Nose Tetra | Overlap |
|---|---|---|---|
| Temperature | 72–82°F | 75–84°F | 75–82°F ✓ |
| pH Range | 7–8.5 | 5.5–7 | 7–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 4.5" | 2.5" | Similar ✓ |
| Min Tank Size | 20 gal | 20 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | intermediate | — |
Tank Requirements for Molly + Rummy Nose Tetra
To keep Molly and Rummy Nose Tetra together, you need at minimum a 20 gallon tank. Molly should be kept in a school of 4+. Rummy Nose Tetra should be kept in a school of 8+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Molly
Poecilia sphenops
Mollies are versatile livebearers that come in many varieties including black, dalmatian, balloon, and sailfin. They prefer hard, alkaline water and can even tolerate brackish conditions. They are active, personable fish that breed easily.
Full care guide →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 →