Can Molly Live With Assassin Snail?
Molly and Assassin Snail are compatible. Temperature overlap 72–80°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Molly | Assassin Snail | Overlap |
|---|---|---|---|
| Temperature | 72–82°F | 70–80°F | 72–80°F ✓ |
| pH Range | 7–8.5 | 6.5–8 | 7–8 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 4.5" | 1.5" | Similar ✓ |
| Min Tank Size | 20 gal | 10 gal | 20 gal minimum together |
| Diet | Omnivore | Carnivore | — |
| Care Level | beginner | beginner | — |
Tank Requirements for Molly + Assassin Snail
To keep Molly and Assassin Snail together, you need at minimum a 20 gallon tank. Molly should be kept in a school of 4+. 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 →Assassin Snail
Clea helena
Assassin snails are the natural pest snail control solution. They hunt and eat bladder snails, pond snails, Malaysian trumpet snails, and ramshorn snails. They breed slowly (unlike pest snails), have attractive yellow and dark brown striped shells, and are safe with fish and shrimp.
Full care guide →