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

synoniemen: live-bearer, poeciliid, poeciliid fish.

Freshwater fish of Central America having a long swordlike tail; popular aquarium fish.

synoniemen: helleri, swordtail, Xyphophorus helleri.

Pools: mieczyk