Atlantic Molly (Poecilia mexicana)
Fish in the family Poeciliidae. Easy care. Freshwater.
Quick facts
Scientific namePoecilia mexicana
FamilyPoeciliidae
Also known asMexican Molly, Shortfin Molly
Care levelEasy
Reef safetyFreshwater
TemperamentPeaceful
DietOmnivore
Adult size3.5 in
Minimum tank size20 gallons
Water parametersTemp 72-82°F, pH 7.5-8.5, GH 15-30 dGH
Appearance
Variable short-finned molly, usually silvery-olive with rows of spots; some populations show orange or yellow flushing in the fins.
Difficulty and care for the Atlantic Molly
Easy
Origin and habitat
Mexico and Central America
Keeper notes
Peaceful and adaptable; males court persistently so keep a female-skewed group. Famous for cave-dwelling sulphur populations studied scientifically.
Log Atlantic Molly in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Atlantic Molly alongside everything else in your reef.
