A bizarre fish with human-like lips and teeth has become a viral hit, with over five million views on social media. The video ...

These dark green fish, native to Africa, have sharp spines across their dorsal fins that they raise to ward off predators. We’re not sure exactly what evolutionary advantage big lips would give them, ...

Its mouth can extend over half the length of the fish's body. The fish can protrude its jaws longer than any other on the planet. Peter Wainwright of UC Davis recorded this video of the wrasse ...