PisciDex Species Profile
Molly
Adaptable livebearer that does best in clean stable aquariums with harder alkaline water and regular vegetable matter in the diet.
Poecilia sphenops
Poeciliidae | Central America | Mexico, Guatemala, and Honduras
Core Requirements
Tank Size
20 gallons minimum
Adult Size
4 inches
Group Size
Group 3+
Bioload
3/10
Water Parameters
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.
Behavior & Husbandry
Temperament
Peaceful
Aggression
2/10
Diet
Omnivore
Difficulty
Easy
Lifespan
4 years
Breeding
Easy
Schooling
Yes
Compatibility Tags
CommunityPeacefulSchoolingMid WaterTop WaterPlant SafeInvert SafeBeginner FriendlyHardwater
Similar Species
Related Articles
Species Compatibility
Database-driven compatibility notes for planning community aquariums.