Also called an angler fish or sea-devil, the most horrifying part is the multiple rows of spiny teeth in its wide mouth. In fact, large adults have been known to eat diving ducks and seabirds.

A member of the Milwaukee Magazine team stumbled upon this frightening face this weekend. Help us identify it!

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 ...

"But when I got a closer look, I noticed its large, wide mouth filled with sharp ... online and was ultimately connected with San Diego's fish expert Ben Frable, manager of the Scripps Institution ...

At first glance, the world’s second largest fish might seem menacing: Its gaping mouth has six rows of teeth ... Swimming with their three-foot-wide mouths agape allows them to take in water ...

It may also be used to communicate with other stoplight loosejaws. The fish's jaw and neck are hinged so its mouth can open mouth wide and impale prey on needle-sharp teeth. This fish is found in the ...

Previously known only from fossils of primitive fishes, this joint allows the coelacanth to open its mouth especially wide in order to swallow fish and other prey. A pair of powerful muscles—the ...