Liberty Molly Care Guide
Poecilia salvatoris · Freshwater Fish

What Liberty Molly look like
The Liberty Molly (Poecilia salvatoris) exhibits a fusiform body shape, reaching a maximum adult size of approximately 2-3 inches (5-7.5 cm). This species displays sexual dimorphism, with males being smaller and more vibrantly colored than females, which tend to be larger and more subdued in hue. The body is characterized by a pale coloration adorned with dark spots, while the dorsal fin features a striking row of colorful spots in red, white, and blue, contributing to its common name. Notably, the Liberty Molly possesses a well-developed lateral line system, which aids in detecting movement and vibrations in the water. Its dentition is adapted for an omnivorous diet, featuring small, conical teeth suitable for grazing on algae and consuming small invertebrates. Additionally, the presence of an adipose fin enhances its hydrodynamic efficiency, allowing for agile movements in its aquatic environment.
Behavior & temperament
Liberty Mollies are typically found in small groups, exhibiting a social structure that encourages schooling behavior, although they can also display solitary tendencies when necessary. They inhabit the mid to upper water column, often dwelling in areas rich in aquatic vegetation. During breeding, Liberty Mollies are viviparous, with females giving birth to live young after a gestation period, which is a common trait among the Poeciliidae family. Their temperament is generally peaceful, making them suitable for community tanks, but they can exhibit mild territoriality, especially males during mating displays.
Diet & feeding
In the wild, Liberty Mollies are omnivorous, feeding on a varied diet that includes algae, detritus, and small invertebrates. In captivity, they thrive on high-quality flake food, supplemented with live or frozen foods such as brine shrimp and daphnia, as well as plant matter to meet their dietary needs.
Behind the name
Poecilia (from Greek, meaning 'varied'); salvatoris (named after El Salvador, its country of origin).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Liberty Molly?
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