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Definition of sailfin molly

sailfin molly

Plural:sailfin mollies
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• noun

1

North American A species of live-bearing freshwater and brackish water fish (Poecilia latipinna) native to the coastal waters of the southeastern United States and Mexico, characterized by the mature male's exceptionally large, sail-like dorsal fin. It is widely bred and kept in the global aquarium trade.

Example

"The male sailfin molly flared its expansive dorsal fin to establish dominance and attract a mate in the densely planted aquarium."

Synonyms
View all synonyms for sailfin molly

• Nearby Words

sailboat
sailfin dragon
sailfin lizard
sailfin molly
sailfin pleco
sailfin tang
sailfish

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Sailfin molly. In Wordmom Dictionary. Retrieved Oct 17, 2026, from https://wordmom.com/dictionary/sailfin%20molly
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