Sheepshead Swordtail

Sheepshead swordtail, Xiphophorus birchmanni Lechner & Radda, 1987.
Yellow swordtail, Xiphophorus clemenciae Alvarez, 1959.
Short-sword platyfish, Xiphophorus continens Rauchenberger, Kallman & Morizot, 1990.

Sheepshead Swordtail - Xiphophorus birchmanni
Speckled Platy - Xiphophorus kosszanderi
Spike Tail Platy - Xiphophorus xiphidium
Uplands Swordtail - Xiphophorus alvarezi
Western Mosquito Fish - Gambusia affinis ...

See also: Xiphophorus montezumae, Montezuma Sword, Swordtail, Montezuma Swordtail, Water