The lower Panuco river system is home to several different Herichthys pantostistus geographical variations and an incredible assemblage of fish species, in what has been considered a "Hot Spot" for evolution. In this travel log, many unedited underwater observations are presented as well as wonderful underwater pictures of the fish fauna of this magnificent system.
In this article Melo Salazar González tell us about his underwater observations on the breeding behavior on one of the most popular Central American cichlids; Herichthys carpintis, at Manantial del Rio Mante in the Panuco drainage in northeastern Mexico, one of the most wonderful underwater landscapes in Central America, as it is well established in the fantastic set of pictures included. Notes on geographical variatons of this species are also included.