Parasites that eat fish tongues and take their place in the mouth have been found in a batch of seabream arriving at a port in the U.K. The parasites, Cymothoa exigua, were first spotted in the ...

A biologist made an unexpected discovery while researching fish heads—a bizarre parasitic crustacean that replaces the tongue of its host. Kory Evans from Rice University in Houston spotted the ...

GALVESTON, Texas - Just in time for Halloween, Texas Parks and Wildlife spotted a really spooky-looking parasite inside a fish's mouth. It is truly the stuff of nightmares. "Inside this Atlantic ...

Meet the tongue-eating isopod, Cymothoa exigua. This marine parasite feasts on a fish's tongue and then becomes its tongue. You'll never eat seafood again.

It's the stuff of nightmares, or science fiction: a parasite that wants to get inside an animal's mouth, where it attacks — and replaces — the tongue. That's the incredibly specific, terribly icky job ...