The Stinger on This Sting Ray Can Easily Kill You | Smithsonian Channel - YouTube
Short-tail stingray - Wikipedia
Rays and Skates - Stingray, Eagle Ray, Skates, Other Rajiformes
Short-tail Stingray - Bathytoshia brevicaudata.
How do stingrays kill? | HowStuffWorks
Did You Know? Like Sharks, Rays Have Cartilaginous Skeletons
Injuries by marine and freshwater stingrays: history, clinical aspects of the envenomations and current status of a neglected problem in Brazil | Journal of Venomous Animals and Toxins including Tropical Diseases