Scary mouths of wildlife
About voracity of these creatures are legendary. Animals often eat the fish that came to the network, so thus bring a lot of harm to fisheries. Like a huge worm, hagfish has an impressive jaw with an interesting arrangement of sharp teeth arranged in several rows.
Ironically, despite the existence of such a menacing jaws, hagfish do not necessarily use it to stay well-fed. She knows how to eat the skin: swimming in the water next to the rotting corpses decomposing creatures, absorbing their skin beautiful corpse juice through the pores of the skin.
Teeth-knives, leatherback sea turtles
Leatherbacks are the largest turtles in the world. Unlike many other harmless species of turtles, pinched pot, these monsters have a very terrible jaw, they need to feed on mollusks, crustaceans and young fish.
In the mouth of these turtles have a whole bunch of teeth, similar to stalactites in the cave, which grow from completely different sides of the jaws, and even in the throat.