'live-bearer' definitions:

Definition of 'live-bearer'

(from WordNet)
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, live-bearer]

Definition of 'live-bearer'

From: GCIDE
  • live-bearer \live-bearer\ n. Any fish of the family Poeciliiidae, small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters, often used in mosquito control.
  • Syn: topminnow, poeciliid fish, poeciliid. [WordNet 1.5]