The Japanese spider crab has the largest leg span of any arthropod in the world, reaching up to 3.8 meters (12 ft) long, and weighing up to 41 pounds (19 kg). Macrocheira kaempferi. Habitat: They are found near depths of 500 to 1,000 feet.They can survive in temperatures of 50 degrees Fahrenheit or 10 degrees Celsius. The Japanese spider crab (Macrocheira kaempferi) is a species of marine crab, and is the only member in the genus Macrocheira.It is found only in the waters around Japan.The Japanese spider crab has the largest leg span of any arthropod in the world, reaching up to 3.8 meters (12 ft) long, and weighing up to 41 pounds (19 kg). The crab is thought to feed on echinoderms, molluscs, crustaceans, and worms. It was found over 1,000 kilometers south in Su-ao, in Eastern Taiwan. One time, a particularly lost Japanese Spider Crab was found far away from its natural habitat. Size: The body can grow to 15 inches in width, with a leg span of up to 15 feet! Wiki User March 10, 2011 11:12PM. The Japanese spider crabs natural habitat is on the bottom of the Pacific Ocean (some 300 – 400 metres deep) around the Japanese archipelago, where it feeds on dead animals and shellfish. It is an omnivorous scavenger feeding on decaying animal and plant matter. How big was the biggest Japanese spider crab ever discovered? The largest one in captivity is 12 feet and … Monstrous 10-Foot Crab Discovered In Japan. Like its name, it looks like a spider with its spherical-shaped body. The Japanese Spider Crab is a large species of deep-sea crab found in both Endless Ocean and Endless Ocean: Blue World. By March 5, ... the researchers uncovered two of the oldest spider crabs yet discovered, ... (Macrocheira kaempferi, the Japanese giant crab.) One of the largest known arthropods (i.e., the group of animals that includes crabs, shrimp, insects, spiders and horseshoe crabs). The Japanese spider crab is the largest living arthropod, reaching 13 feet in arm span. Several types of spider crabs reside throughout the world's oceans and seas. Home / Animals / Japanese Spider Crab. "This is the largest crustacean in the world, with a carapace measuring approximately 16 in. The Japanese spider crabs usually carry out a sort of camouflage practice known as cripsis. Ancient Reef Housed Oldest Spider Crabs. They can be found off the coast of the Kii peninsula. In Japanese, it is named as taka-ashi-gani, which means “tall legs crab”. Other spider crabs included in this group include the portly spider crab, great spider crab and European spider crab. The Japanese spider crab (Macrocheira kaempferi) is the largest of all crustaceans. The natural habitat of the Japanese spider crab Macrocheira Kaempferi is the right side of the Japanese islands, Kyushu and Konshu. It is found only in the waters around Japan . invertebrate is a Japanese spider crab the live in waters that surround Japan. They are usually found on the rough and sandy base of the continental shelf. The Japanese spider crab (Macrocheira kaempferi) is a species of marine crab, and is the only member in the genus Macrocheira. The habitat of each type of spider crab … One Japanese Spider Crab got a bit lost one time. In terms of color the Japanese spider crab is orange, while its legs often have white spots on them.. Japanese spider crabs solely live in the ocean / Source 4. It occurs on muddy or sandy bottoms in water to a depth of 30 – 50 m (100 – 160 ft). It is also called Giant spider crab and it is a docile creature. The Japanese spider crab (Macrocheira kaempferi) is a species of marine crab that lives in the waters around Japan.It has the largest leg span of any arthropod.These giants go through three main larval stages along with a prezoeal stage in order to grow to their great size.