Research, identification photographs, and links pertaining to the genus Xiphophorus.

The effect of Gambusia introduction on native aquatic fauna.

A biological profile of the Poecilia latipinna.

A non-profit organization dedicated to the conservation of Mexico's diverse fishes. Pictures of Goodeids, Xiphophorus and other livebearers.

A guide to the most commonly referenced anatomical features of the family Poeciliidae, with names of fins and body parts.

Articles, membership and newsgroup details and auction information.

Information about the Western Mosquitofish.

Articles on fish keeping, species list, and gallery.

Basic information on this fish.

An article on the keeping of mollies in environments ranging from marine to freshwater.