PisciDex Species Profile
Larger molly with an impressive dorsal fin, requiring more swimming space and stable hard alkaline water than smaller livebearers.

Poecilia latipinna
Poeciliidae | North America | Southeastern United States and Gulf Coast drainages
Tank Size
30 gallons minimum
Adult Size
5 inches
Group Size
Group 3+
Bioload
4/10
Temperature
72-82 F
pH
7-8.5
Plant Safe
Yes
Invert Safe
Yes
Data Confidence
medium
Temperature note: Recommended and tolerated temperature ranges currently match the primary care profile.
Temperament
Peaceful
Aggression
2/10
Diet
Omnivore
Difficulty
Intermediate
Lifespan
4 years
Breeding
Easy
Schooling
Yes
Database-driven compatibility notes for planning community aquariums.