Biology Cephalopods Crustacean Echinoderms Fish Mammals Mollusk Organisms Sharks 6 times an invertebrate punched a vertebrate in the face (and it was awesome) Dr. M December 11, 2015 CatfightsGiant IsopodGiant Pacific OctopusinvertebratesLisa FrankMantis ShrimpMila KunisSand Striker A guest post from Katie Thomas, a graduate student at Duke University researching the evolution of bioluminescence in squids. (@katiethomas10) For those of us who love the… View More 6 times an invertebrate punched a vertebrate in the face (and it was awesome)