live-bearer

Từ điển WordNet v3.1 - WordNet Dictionary

noun

small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters;
often used in mosquito control
• Syn:
topminnow, poeciliid fish, poeciliid
• Hypernyms:
cypriniform fish
• Hyponyms:
mosquitofish, Gambusia affinis, platy, Platypoecilus maculatus, mollie, molly
• Member Holonyms:
Poeciliidae, family Poeciliidae