With the discovery of the species, scientists can now properly develop a timeline surrounding the arrival of the fish in ...

Fish like roach that migrate between lakes and streams have larger eyes with bigger pupils, improving vision in low light.

USFWS Pacific Southwest Region / Flickr THE FIRST FISH were completely marine, originating in the ocean. When coastlines got ...

Columnaris disease is probably the most common health issue that fish keepers encounter. It’s a curable disease but catching ...