The Japanese spider crab is the largest crab species in the world, and they are also the largest of the crustaceans. They have long claws, which are 4 meters long when stretched, and their breastplates are 64 cm wide. According to local fishermen, since 1990, 34 fishermen and 26 tourists have been buried in crab belly along the Coastal Area of Yokohama alone.
The clown crab is one of the smallest crab species, but also the most colorful, the clown crab body length of about 2.5 cm. They store rock sand anemone toxins as a weapon against predators.
The human-faced crab is a smaller burrowing crab with a maximum body length of 5 cm and lives in parts of the North Atlantic, North Sea and Mediterranean Sea, so named because its shell resembles a human face.
The shy-faced crab, a small crab species that lives in the Mediterranean, Atlantic Portugal to Mauritania, is named after its most distinctive feature, which closely covers its face with its front crab feet as if it were very shy.
Arrow crabs, slender arrow crabs with triangular, near-guitar-shaped bodies, have thin spider-like legs, up to 10 centimeters, which is 3 times the size of the body. Although their size is very delicate and slender, they are still an aggressive scavenger.
Boxing crabs, a smaller creature of the family Fan Crab family, use their front crab feet to grab anemones and swing them continuously, so that predators can dispel the idea of attacking. At the same time, the anemone can sting the prey and make the prey unable to move, which is convenient for boxing crabs to enjoy a good meal.
Teddy bear crabs, whose shells and feet are covered with elongated filamentous hairs, help avoid predator attacks and can camouflage themselves against a rocky background, while these slender hairs can also act as a net to trap debris and mud material, or to capture rock chips, further camouflage themselves.
The orangutan crab, a tiny crab species in the family Pointed Crab family, is so named because of the tiny reddish-brown hairs that cover their bodies. These hairs can trap debris and debris, becoming a vital form of camouflage to avoid predator attacks.
Also known as the carnelian crab, raspberry crabs are so named because they look so much like raspberries and inhabit the tidal zone, where they are opportunistic carnivores that devour small invertebrates and other organic organisms.
The moon flower crab mainly inhabits the sand layer of the seafloor, usually nocturnal, most of the time burying its body in the sediment of the seafloor, with a pair of slender spines on both sides. Their pliers are very close to the body.