Grusome photos of a blood-thirsty parasite living in the mouth of a fish having devoured its host’s tongue have surfaced online. Posted to social media by a scientist this week, the X-ray scans show ...

Nature might be famously red in tooth and claw, but in my opinion if you want to get to the really gruesome stuff you ought to forgo predation entirely. Sharks and lions and etc. get the headlines, ...

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... It's the stuff of nightmares, or science fiction: a ...

Every once in a while, nature reveals something that looks like it came straight out of a horror movie. State park workers in Texas recently revealed an image of a fish with a living parasite in its ...

In the course of studying wrasse skulls, an evolutionary biologist found a parasite hiding inside a fish’s mouth. And not only had the louse eaten the fish’s tongue – it effectively replaced it. The ...