Cute but Deadly:24 Adorable Animals That Are Dangerous

Pufferfish

Pufferfish are one of the most poisonous vertebrates on the planet. They inflate their bodies to protect themselves and in doing so release tetrodotoxin. This poison can be lethal to other fish and is deadly to humans. There’s enough poison in one pufferfish to kill 30 humans. Don't miss the smartest animal species around.