When diver Tobias Sachs found himself suddenly surrounded by a school of small fish, he was curious. He just floated there, watching the tiny fish form a ball around him and wondered what they were doing. Well, they were hiding from the massive whale shark that swam up behind Tobias, that's what!
On the topic of scary sea creatures, we check in on an octopus. This one, in particular, is very sneaky. It catches crab after crab with total ease. All of this is obviously just to show us "hu-mans" how good they are at hunting, hoping to intimidate us. We're on to you, octopus!