Ключевые слова: amebocyte, animal, animal shell, animals mating, aquatic, arthropod, atlantic ocean, beach, coastline, crab, crab horseshoe, crustace, crustacean, delaware bay, female animal, horseshoe, horseshoe crab, invertebrate, invertebrates, life, limulus, living, lysate, male animal, marine lysate, mating, nature, new jersey, ocean, polyphemus, research, saltwater, sand, sea, sealife, sex, shell, shellfish, spawning, the past, water, wildlife,