Set your teeth on EDGE: World's weirdest sharks and rays on the brink of extinction
Sharks that use a whip-like tail to stun their prey, rays with saws on their faces, and river rays half the length of a bus are among the most unique species at risk of extinction according to the latest ranking from international conservation charity ZSL's (Zoological Society of London) pioneering EDGE of Existence programme.
The new list revealed today (4 December) ranks the world's 50 most Evolutionarily Distinct and Globally Endangered (EDGE) sharks, rays and chimeras—known collectively as Chondrichthyes.
https://phys.org/news/2018-12-teeth-...harks.html#jCp
