Japanese crab spider photo. Japanese Spider Crab (Macrocheira kaempferi) on ocean floor, Japan. Japanese Spider Crab. Gulf of Alaska 2004: August 20. These crabs are very tolerable to polluted or eutrophic environments where How Long Do Spider Crabs Live. japanese spider, sea spider crab, katydid, deep sea spider, tasmanian king crab, japan spider crab, biggest […]