Many species, including the exotic-looking blue-spotted stingray, have venom to be quite large and developed so that when it's born, it looks like a little adult.
Stingrays are a group of sea rays, which are cartilaginous fish related to sharks. Many species are endangered. They are classified in the suborder Myliobatoidei .
IMAGE: Toxins produced by young female stingrays cause more pain, whereas toxins produced by adult stingrays cause tissue necrosis. view.