(via Deep Look) Known as sand piranhas, Excirolana chiltoni are tiny crustaceans that nibble at your feet – and draw blood – if you hang out on the wet sand at the beach. They live on the Pacific ...

Piranhas had become accustomed to the free food discarded in the river. Once first blood was drawn, the school attacked en masse. When you purchase through links on our site, we may earn an affiliate ...