Crabs, A Global Natural HistoryA richly illustrated natural history of the world's crabs that examines their diversity, ecology, anatomy, behavior, and more This lavishly illustrated book offers a remarkable look at the worlds crabs. More than 7,000 crab species, in 100 different families, are known today. Their unique physiology and complex behaviors have made them one of the most diverse and adaptable of all animal groups. They can thrive in the darkness of abyssal seas, on the