the female horseshoe crab (limulus polyphemus), an animal washed up by a storm on a sandy beach in brighton beach

ancient animal aquatic arthropod arthropoda arthropods atlantic bay beach brown cancer claws coast coastline crab crabs crawfish crayfish crustacea crustaceans decapoda fauna horseshoe invertebrate life limulus polyphemus macro malacostraca marine mating nature ocean reproduction reptantia sea seashore shell shells shore water wildlife xiphosura