Northern Mountain Swordtail

Xiphophorus nezahualcoyotl by Paul McFarlane
Summary: The "Northern Mountain Swordtail" is a small swordtail from fast flowing streams in Mexico. Paul's male died, which seemed to prompt just one of the fry to develop into a male.

Northern Mountain Swordtail - Xiphophorus nezahualcoyotl
Xiphophorus multilineatus
Muzquiz Platy - Xiphophorus meyeri
Northern Platy - Xiphophorus gordoni
Al Abra Pygme Swordtail - Xiphophorus nigrensis
Slender Pygme Swordtail - Xiphophorus pygmaeus ...

See also: Water, Swordtail, Livebearer, Fish, Livebearers