Can Molly Live With Serpae Tetra?
Molly and Serpae Tetra may coexist with careful monitoring, adequate space, and hiding spots.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Molly | Serpae Tetra | Overlap |
|---|---|---|---|
| Temperature | 72–82°F | 72–82°F | 72–82°F ✓ |
| pH Range | 7–8.5 | 5.5–7.5 | 7–7.5 ✓ |
| Temperament | peaceful | semi-aggressive | Monitor ⚠ |
| Max Size | 4.5" | 1.75" | Similar ✓ |
| Min Tank Size | 20 gal | 20 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Tank Requirements for Molly + Serpae Tetra
To keep Molly and Serpae Tetra together, you need at minimum a 20 gallon tank. Molly should be kept in a school of 4+. Serpae 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 →Serpae Tetra
Hyphessobrycon eques
Serpae tetras are vibrant blood-red schooling fish with a distinctive black comma-shaped marking behind the gill plate. While beautiful, they have a reputation as fin nippers — especially in small groups. Keeping them in schools of 8+ in a spacious tank significantly reduces this behavior. They add bold color to community tanks when kept properly.
Full care guide →