CATCH AND RELEASE: The Enduring Yet Vulnerable Horseshoe Crab

Shows how humans literally harvest the life out of horseshoe crabs: we use them as markers for understanding geologic time, collect them for agricultural fertilizer, eat them as delicacies, capture them as bait and more. Also details the biomedical bleeding of crabs: how they are caught, drained of 40 percent of their blood, and then released back into their habitat. Well illus.