Known for its aggressive behavior and toxic flesh.
Some species have a toxic bite.
Has venomous spines on its back.
Their tails can deliver a venomous sting.
Another non-fish, notorious for its lethal sting.
Not a fish, but its venom is deadly.
Contains tetrodotoxin, making it extremely poisonous.
Beautiful but has venomous spiny fins.
Known as the most venomous fish in the world.