Very widespread and a massive amount of different types, both wild and cultured strains. I only keep a few that I think has something out of the ordinairy to them.
Carupanó, Venezuela 2008, Phillip Voisin & Co.
Small and rare livebearer that I am very happy to keep!
Quintana atrizona, Guanimar, Cuba 1987.
Roughly same size as Heterandria formosa, this makes a great addition to the cooler water aquarium.
Can be tricky when it comes to sex ration in the fry.
Scolichtys iota, Rio Chajmaic, Guatemala.