Liberty Molly Care Guide

Poecilia salvatoris

PeacefulEasyFreshwater
Max Size
7.0 cm / 2.8"
Temperature
23–28°C (74–82°F)
pH Range
7.5 – 8.5
Min Tank Size
40L (11 gal)
Min Group Size
5 fish
Tank Level
Bottom-Mid
Origin
Central America
Temperament
Peaceful
Difficulty
Easy
Breeding Difficulty
Easy

Diet

Omnivorous; feeds on algae, detritus, and small invertebrates.

Community Compatibility

Well-suited to community tanks with a variety of non-aggressive fish.

Good to Know

The Liberty Molly is admired for its vibrant colors and active swimming behavior, making it a lively addition to any freshwater tank.

Gender Differences

Males are more colorful and have larger dorsal fins.

About the Liberty Molly

The Liberty Molly, scientifically known as Poecilia salvatoris, is a captivating and relatively uncommon species of freshwater fish native to the rivers and streams of Central America, particularly in El Salvador. This species is appreciated by aquarists for its vibrant coloration, peaceful demeanor, and hardiness, making it an excellent addition to community aquariums.

Liberty Mollies are characterized by their robust, laterally compressed bodies and striking colors. The males are particularly eye-catching, often displaying a vibrant mix of red, blue, and yellow hues, especially on their fins and tail. Females, while less colorful, still exhibit attractive patterns and a more subdued color palette. Both sexes have the typical molly shape, with a rounded belly and a fan-shaped tail.

In captivity, Liberty Mollies thrive in well-maintained aquariums that replicate their natural habitat. A tank setup should include plenty of live plants, such as Java moss, Anubias, and Vallisneria, which provide cover and contribute to water quality. These plants, along with rocks and driftwood, create a natural and comfortable environment for the fish. A sandy or fine gravel substrate is ideal, as it allows for natural foraging behavior.

Water conditions should be slightly alkaline to neutral, with moderate hardness, reflecting the conditions of their native habitats. Liberty Mollies are quite hardy but maintaining stable water parameters through regular water changes and efficient filtration is crucial for their health and well-being.

Liberty Mollies are social and peaceful fish that do well in groups. Keeping them in a ratio of more females to males is recommended to reduce stress and aggression among males. They are excellent community fish and can be housed with other similarly sized, non-aggressive species, making them ideal for a diverse community tank.

Their diet should be varied to ensure they receive all necessary nutrients. Liberty Mollies are omnivorous and will readily accept high-quality flake foods, small pellets, and live or frozen foods such as brine shrimp, daphnia, and bloodworms. Including some vegetable matter, like spirulina flakes or blanched spinach, is also beneficial for their overall health.

Breeding Liberty Mollies in captivity is relatively straightforward, as they are livebearers. Females give birth to free-swimming fry rather than laying eggs. To encourage breeding, maintain optimal water conditions and provide plenty of cover for the fry, such as dense plants or breeding mops. The fry can be fed with finely crushed flake food or specialized fry food until they are large enough to accept standard fare.

Overall, the Liberty Molly is an excellent choice for aquarists looking for a colorful, peaceful, and hardy species. Their striking appearance, gentle nature, and ease of care make them a delightful addition to any well-maintained community aquarium. With proper care, they can thrive and bring a burst of vibrant color and lively activity to your aquatic setup.

Stock Liberty Molly in Your Tank

Use our free stocking calculator to see if Liberty Molly fits your aquarium