>>28072402>This pokemon feeds upon poisonous insects, concentrating the toxins within its body. This pokemon's skin secretes these lethal poisons, and even carelessly touching one can be hazardous.It's amazing to me that toxicroak and croagunk are actually less poisonous than normal poison dart frogs.
http://www.bbc.com/earth/story/20150422-the-worlds-most-poisonous-animal 