on (~1.8 Mya), as regional faulting rejoined the Rio Verde with the Pánuco Basin during the course of the Pleistocene, the genus re invaded the Pánuco, this time with the evolved mechanisms of reproductive isolation that allows its sympatry with Herichthys. Name The name of this genus, Nosferatu was given because of the pair of well-developed recurved fangs in the upper jaw present possessed by all species of the genus, these were said to be reminiscent of those of the eponymous vampire in F. W. Murnau’s Nosferatu. References Heroini Endemic fish of Mexico Freshwater fish of Mexico Freshwater fish genera Cichlid genera Taxa named by Mauricio De la Maza-Benignos Taxa named by María de Lourdes Lozano-Vilano Nosferatu