Herichthys minckleyi. Photo by Ronald Oldfield Herichthys minckleyi, found in the unique Cuatro Cienegas waters, has been observed displaying a unique spawning behavior. Since dominant males tend to horde all the females for themselves, smaller males have been observed sneaking into the...

Maskaheros argenteus. Formally of Paraneetroplus and Vieja. Photo by Citron / CC-BY-SA-3.0 A recently published article details naming revisions to many popular Central American cichlid species. Using previously compiled DNA sequencing and morphological characters, the study has reclassified...