From rare cichlids to unexpected surprises, this tiny stream is a wild aquarium in disguise.

Researchers have described how fish larvae rely on species-specific combinations of vision and movement to detect and capture prey.

Researchers have discovered that the genes related to extracellular matrix (ECM) and the Wnt signaling pathway characterize the independently acquired lip hypertrophy in cichlids of the East ...

The underwater world is filled with wonders, but few are as intellectually impressive as cichlids. These colorful freshwater fish, popular among aquarium enthusiasts, possess cognitive abilities that ...

The most common native species, widely distributed in the Paranapanema River basin, were Astyanax lacustris and Hypostomus ancistroides - present in 43 subregions - followed by Rhamdia quelen (34 ...