Ancient ‘alien goldfish’ shot toothy ‘tongue’ out of its gut to catch prey

An artistic representation of the “alien goldfish” Typhloesus wellsi hunting prey. (Image credit: Drawing by Joschua Knüppe © Royal Ontario Museum.) (opens in new tab) Ancient creatures nicknamed “alien goldfish” had toothy, tongue-like structures in their guts that they fired out of their bodies to catch prey 330 million years ago, but they weren’t so […]