Sailfin Molly

Overview

A livebearer with a high sail-like dorsal fin in males, found in fresh and brackish waters. Native to Central & South America, it is a popular choice among aquarists for its distinctive appearance and behavior.

History & Origin

Sailfin Molly originates from Central & South America. It has been kept and selectively bred in the aquarium hobby for generations, producing many color forms and regional variants developed through captive breeding.

Appearance & Size

Sailfin Molly is a medium fish, generally measuring about 8–12 cm when fully grown. Its body shape and species-specific coloration make it easy to recognize among Livebearers.

Temperament

Sailfin Molly shows a temperament typical of its group—largely peaceful but with individual or territorial quirks; match it with compatible tankmates and adequate cover.

Care & Husbandry

A freshwater species, it adapts well to a community or species aquarium with stable temperature, gentle to moderate current and clean, well-filtered water. Feed a varied diet of high-quality prepared foods supplemented with live or frozen items, and quarantine new arrivals before adding them to the display.

Health & Lifespan

With good water quality and a balanced diet, Sailfin Molly typically lives 3–5 years in captivity. Watch for common aquarium ailments such as parasites, fungal infections and stress-related disease, and maintain stable parameters to keep it thriving.

Popularity & Recognition

Livebearers like guppies, mollies and platies are beginner favorites because they are easy to keep and readily breed in the aquarium.