Octopus Steals Crabs From Fisherman

A giant Pacific octopus has learned where to get an easy crab meal -from a crab fisherman's trap! An octopus is about the smartest creature living underwater, so a trap designed for dumb crabs is easy to break into -and then break out of.

(YouTube link)

In this video from BBC Earth, we see how the octopus takes advantage of the trapped seafood feast presented to him. Not only does he figure out the trap, but his ability to fit through the smallest of holes serves him well.