Fish venom shows great diversity and is being studied to treat pain, cancer and other diseases.
Study Finds Venom Has Evolved 18 Times in Marine and Freshwater Fishes
Lionfish: The Beautiful and Dangerous Invaders
Box jellyfish, Size, Habitat, Venom, & Facts
10 of the World's Most Dangerous Fish
Venomous fish - Wikipedia
Stonefish Facts: The Most Venomous Fish in the World
Man Learns the Hard Way That Mixing Pufferfish and Cocaine Is a Very Bad Idea
Electric eel, Diet & Electric Shock
Tracing the evolutionary origins of fish to shallow ocean waters
6 Facts About the Lovely, Incredibly Destructive, Lionfish
Fugu: The fish more poisonous than cyanide - BBC News
Venomous fish have evolved many ways to inflict pain