If you haven’t seen the new comic at The Oatmeal: “Why the mantis shrimp is my new favorite animal”, then check it out. Because that is one bad mofo crustacean.
With fists of fanatical fury and the most advanced vision system on the planet, I feel like the mantis shrimp is just evolution’s warning to us all: “Keep your shit under control, or else I’ll make this thing rhino-sized in a heartbeat.”
Radiolab featured this little guy’s amazing vision in an episode on colors last year. And Ed Yong was into mantis shrimp before they were cool, so go check out his great articles about their superpowers.