Biologists claim first evidence of oral venom glands in amphibians

A species of fanged ‘worm’ that looks like something from a horror movie is the first known amphibian with toxic dental glands, scientists say.  US and Brazilian biologists found oral glands in ringed caecilians – serpent-like amphibians related to frogs and salamanders that reach up to 17 inches long.  Researchers already knew that caecilians have poisonous tails … Read more