This spider’s venom can cause paralysis and severe pain, making it one of the most dangerous arachnids in the world.
Stonefish are camouflaged, dangerous, and painful, but are edible and a delicacy in Asia when prepared safely.
This yellow scorpion delivers one of the most painful stings in the world, with venom that can cause seizures and heart failure in extreme cases.
The duck-billed platypus is a venomous mammal with egg-laying abilities and venomous ankle spurs, causing severe pain to larger animals.
Barely the size of a fingernail, this tiny jellyfish has venom 100 times more potent than a cobra, causing excruciating pain and heart complications.