Poeciliidae

Catemaco platyfish

Xiphophorus milleri

A Poeciliid Fish from Mexican Waters

• Tropical
• Regional distribution
• Central America and the Caribbean
• North America
• Small
• Tropical fish

Xiphophorus milleri, the Catemaco platyfish, is a poeciliid fish endemic to Mexico's Lake Catemaco and its tributaries. As it has traits of both swordtails and platies, its discovery confirmed that these two groups should be consolidated into a single genus, Xiphophorus.