:DDD Aren't they amazing. Here, let me link you a 2:39 long video of them in action. Seriously, nature came up with the harpoon before humans did, and they did it even better. (they even replace their harpoon with a new one every time they catch something)

Aww, thanks, didn't know if I hit the creepy button or if I'd been too subtle. She's based off of the Magician's Cone Snail, to be specific. And their shell colors and patterns can vary greatly.