But the filefish used its first dorsal fin to threaten other individuals and predators, unlike the frogfish. "This comparison ...

While hairy frogfish aren't poisonous or dangerous to humans, they are deadly to other ocean animals because they, too, are ambush predators. It's why they blend in with their surroundings so well ...

But predator can become prey. This is the strange but amazing frogfish. Nothing else eats frogfish, apart from sometimes other frogfish! An animal that isn't eaten by anything else is the top ...