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n. Any member of the Poeciliidae.

n. small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control

"‘Natural and sexual selection on color patterns in poeciliid fishes’, Environmental Biology of Fishes, 9, 173–90."

cypriniform fish   

platypoecilus maculatus    mosquitofish    molly    platy    Mollie