Hellbenders: Fantastic beasts | U.S. Fish & Wildlife Service
: Loose, wrinkled flaps of skin along their sides that serve a vital function—they absorb up to 95% of their oxygen directly from the water. HellbenderHD
: Because of their unique appearance and the slippery mucus they secrete, they are affectionately known as "lasagna lizards," "mud devils," "devil dogs," and "Allegheny alligators" . Hellbenders: Fantastic beasts | U
: Their brown, blotchy skin and flat bodies allow them to blend seamlessly into rocky streambeds. " "mud devils