Deep-sea dwelling nautilists are fascinating creatures: These cephalopods are a distant cousin to octopi and according to fossil records, they've been cruising around the ocean for about 500 million years. Yet despite surviving for so long, humans are putting them at risk thanks to using their shells for decorations and accessories, like bolo ties. Sadly, you can buy these things (and many others) on Etsy or eBay — but you shouldn't. Every sale helps push species like the nautilus closer to exti