Xiphophorus kallmani

The Xiphophorus kallmani lives in the pelagic, freshwater environment.

I have some Xiphophorus kallmani and nigrensis which do the same thing; this is not changing sex though, just late developing. I have no fish that have actually changed sex; especially not from being a viable male to a viable female. More

Order : Cyprinodontiformes
Family : Poeciliidae
Genus : Xiphophorus
Species : Xiphophorus kallmani
Authority : Meyer and Schartl, 2003