Horseshoe Crab
Worms, algae, small invertebrates, detritus
Pollution, over-harvesting, habitat destruction
Their horseshoe-shaped shell
helmet crab, horsefoot, saucepan, king crab
Shallow water off the coast, beaches
Horseshoe Crab
Worldwide
Changed little in over 500 million years!
Over 30 years
As long as 31.25 inches in the female tri-spine horseshoe crab, other species are smaller
Shorebirds who eat the eggs, sea turtles, fish