More than 200 of the hotspot's fish species belong to two families: the cichlids (with 12 endemic genera) and the live-bearing Poeciliidae.    From Wordnik.com.  [Biological diversity in Mesoamerica] Reference

WATER FISH (Xiphophorus hellerii in family Poeciliidae of order Cyprinodontiformes).    From Wordnik.com.  [WN.com - Articles related to Population Research Presents a Sobering Prognosis] Reference

Lately, he has also been studying the evolution of mammal-like placentas in the Poeciliidae, the family of live-bearing fish that includes guppies.    From Wordnik.com.  [Livescience.com] Reference

It is a small member of the Poeciliidae family (females 46 centimeters (1.62.4 in) long, males 2.53.5 centimeters (1.01.4 in) long) and like all other members of the family, is live-bearing.    From Wordnik.com.  [WN.com - Articles related to Population Research Presents a Sobering Prognosis] Reference

Velvet Red Swordtails are TROPICAL FRESH WATER FISH (Xiphophorus hellerii in family Poeciliidae of order Cyprinodontiformes).    From Wordnik.com.  [WN.com - Articles related to Population Research Presents a Sobering Prognosis] Reference