Who doesn’t love a good nature video? Seriously, tell us who doesn’t like watching footage of the incredibly rich and diverse lives sustained by the oceans and streams of the Earth and we’ll give them a talking-to. Even better, we’ll sit them down with their eyes propped open (like in A Clockwork Orange) and make them watch these 10 Fantastic Marine Biology Videos. We’d probably start with this surreal video of a camouflaged octopus: