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Sailfin molly (Poecilia latipinna)
AI illustration, not an ID reference

Sailfin molly

Poecilia latipinna

FishFreshwater

Care level
Easy
Temperament
Peaceful
Recommended tank
100 L
Maximum size
12 cm
Temperature
24–28 °C
pH
7.5–8.5
Diet
Omnivore

Care at a glance

The sailfin molly comes from the coastal waters of the south-eastern United States, where it lives in both fresh and brackish water. Adult males unfurl an impressive, tall dorsal fin during display that stands over their body like a sail.

It is a livebearing algae grazer that needs plenty of vegetable food; on flake alone it declines over time. It thrives in hard, mineral-rich water, so if your tap water is naturally soft, this is not the easiest choice.

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Values are mainstream hobbyist guidance, not gospel — always watch what your own animals need.