Deep Look | Whack! Jab! Crack! It's a Blackback Land Crab Smackdown | Season 5 | Episode 20 | PBS

It's an all-out brawl for prime beach real estate! These Caribbean crabs will tear each other limb from limb to get the best burrow. Luckily, they molt and regrow lost legs in a matter of weeks, and live to fight another day.