Scientists have discovered a highly unusual fish with fangs made of bone.
Dubbed the "Dracula" fish, the creature is about 17mm (0.7 inches) long and has been found in only one Burmese stream.
According to the BBC News Website, researchers from London's Natural History Museum believe the fish lost its teeth over evolutionary time, but later evolved the bone fangs.
Writing in the Royal Society's journal Proceedings B, they say the males use the fangs to jostle each other -- but do not appear to draw blood.
