Stone fish is the poison fish in the world.The fish's poison is carried in its skin and in sacs attached to razor-sharp spinesalong its back.When attacked or accidently stepped on,the stone fish pushes its spines into the predator and releases poison into the wounds.This usually results in paralysis or death.
Poison dart frogs living in Central and South America are tiny.They range from 1/2 inches(1-5cm ) long at their biggest they are the size of your longest finger.In their glands they hold the most powerful poison of all amphibians. A shot df toxin from a single gold poison frog can kill eight people.