The stonefish, a close relative of scorpionfishes, is the world's most venomous fish. The stonefish can inject venom through its dorsal fin spines that can kill an adult in less than an hour. What exactly is fish venom? Fish venom contains a plethora of compounds, the majority of which are defensive and serve only to irritate and pain any potential predator. Fish venom bioactive toxins have a variety of neuromuscular, cardiovascular,...