The Cuttlefish. Where do we even start when talking about how cool cuttlefish are? Aside from being able to change colour, having 3 hearts, and blue-green blood, even their eyes and pupils are unique. As it turns out, their W-shaped pupils stretch more than 180 degrees so they can see what’s in front and behind them at the same time, and this ‘wavy’ shape helps them to control the density of light that enters, allowing them to focus on prey in varying light conditions on the Reef. So, if you do