The specimen also followed an unusual path into the scientific record.
Over 300 million years ago, a minnow-sized fish died and fell to the bottom of the prehistoric swamp near what is now the village of Trawden, in northwest England. The remains of this tiny fish—known ...
Some fish have bacteria on the brain. Wild and lab-grown members of the salmon family including European rainbow trout, Chinook salmon and Gila trout harbor active microbial communities inside their ...