We are in the midst of the Discovery Channel's annual celebration known as Shark Week. In honor of the occasion, here's a look at the strangest species of sharks, both living and extinct. 1. Sawshark (Image credit: Flickr user Gore Fiendus/Jerry Frausto) There are seven known species of sawsharks (Pristiophoriformes) that have long snouts with teeth, but they are not related to sawfish (although sawsharks are fish). They swim along the floor of the ocean and use their snouts exactly as you…
