Priapella intermedia
Priapella intermedia, the Isthmian priapella, is a species of freshwater fish within the family Poeciliidae. It is endemic to Mexico. This species reaches a total length of . References

Further reading
Wischnath, L., 1993. Atlas of livebearers of the world. T.F.H. Publications, Inc., United States of America. 336 p.

intermedia
Freshwater fish of Mexico
Endemic fish of Mexico
Taxa named by Jose Álvarez del Villar
Taxa named by Jorge Carranza
Fish described in 1952