Eggs from a rare Mexican fish species believed to be extinct in the wild have successfully hatched at Bristol Zoological ...

Later I match the fish’s body shape and colors to a Mayan cichlid and recognize the oscars, Midas cichlid, jaguar guapote, and blue and spotted tilapia that were also inhabiting the canal.

The ancient Maya were a brilliant Mesoamerican civilization that flourished in what is now Mexico, Guatemala, Belize, Honduras, and El Salvador. They left behind stunning temples that continue to ...

Behavioural experiments in shell-dwelling cichlid fish reveal evolutionary adaptations in parents and offspring that control the timing of emergence from the nest. To mimic the empty snail shells ...