A "four-eyed" fish swims along the surface with eyes appearing both in and out of the water. New research explains how the fish simultaneously sees in these two very different environments. The ...

Furthermore, the Anableps retina expresses different photoreceptor genes in dorsal and ventral regions, potentially associated with distinct aerial and aquatic stimuli. To gain insight into the ...

“Hey, four-eyes!” That playground taunt is more accurate when applied to Anableps anableps—a fish related to the guppy. It lives in the brackish waters of mangrove swamps in central and South America, ...

Four-eyed fishes of the genus Anableps and their relatives are a fish family from the Neotropics with a number of bizarre traits that have fascinated naturalists for centuries. These include: (i) a ...

This story appears in the April 2017 issue of National Geographic magazine. The fish’s eyes are ideally suited to helping it thrive and propagate. The fish’s loins, on the other hand, are a somewhat ...

A "four-eyed" fish swims along the surface with eyes appearing both in and out of the water. New research explains how the fish simultaneously sees in these two very different environments. The ...