Found in the Pacific and Indian Oceans, this small octopus carries venom that can be deadly to humans.
Also known as the "fierce snake," it is considered the world's most venomous snake, found in Australia.
One of the few venomous lizards, the Gila monster, is found in the southwestern United States.
These marine snails have harpoon-like teeth that inject potent venom when threatened.
The slow loris has venomous glands in its elbow that it can spread on its fur or deliver through bites.
Male platypuses have venomous spurs on their hind legs, used during territorial disputes.
Though not true spiders, solifugae have powerful jaws and can produce venom for subduing prey.
Certain butterflies, like the blue tiger, acquire toxins from feeding on poisonous plants.
The skin secretions of Irrawaddy dolphins can be toxic, potentially causing skin irritation in humans.
While not venomous, hagfish produce copious amounts of slime as a defense mechanism.