When crab is processed or cooked in quantity, airborne allergens can be abundant, and those allergic often have respiratory or skin-related symptoms. In time, the claw or leg grows back. It is closely related to the hermit crab and king crab. The Japanese spider crab, which despite its name is a true crab and not closely related to spiders, has the longest legs of any crab in the world. See Answer. Crabs are found in all of the world's oceans, while many crabs live in fresh water and on land, particularly in tropical regions. Then, just like many other creatures such as crabs and spiders, they grow through a process called molting. Opilio crabs weigh an average of one to three pounds. Blue Crabs Honey hole: a secret spot where a captain knows there are a lot of crab. The male’s leg span was nearly five feet across). 6 7 8. IFQs: individual fishing quotas, or the amount of crab each boat is allowed to catch per season; King and opilio (opie): the two varieties of crab that are fished on "Deadliest Catch." It is recommended that only one claw measuring at least 2 3⁄4 inches from the elbow to the tip of the lower, immovable finger be removed. The shell does not grow in size, so the animal has to keep shedding its shell several times as it grows. Crabs are generally covered with a thick exoskeleton, composed primarily of highly mineralized chitin, and armed with a single pair of chelae (claws). This process involves shedding their exoskeleton and growing a new one. 2009-05-27 21:51:47. they have 10 legs. Greenhorns have it rough and are heavily featured on the show. Japanese spider crabs live on the Pacific side of Japan as far south as Taiwan and at chilly depths ranging from 164 feet to as low as 1,640 feet. Red king crabs can live up to 20-30 years. Red king crabs can provide many dietary benefits including a good source of protein. Georgia does not regulate the harvest of stone crab; however, the harvest of the whole crab is discouraged. [5] A crab may lose a claw or leg in a fight. Coconut crab, (Birgus latro), also called robber crab, large nocturnal land crab of the southwest Pacific and Indian oceans. Male red king crabs can grow up to 24lbs with a leg span of five feet. At about $1.70 per pound (up from $1.50 last year), an average opilio crab … Living up to 1,500 feet under the surface of the Pacific Ocean, spider crabs walk across the ocean floor on long stiltlike legs. Asked by Wiki User. [6] A crab’s shell does not grow or stretch. Each time they do this, millipedes also grow a new segment and therefore two new pairs of legs. • At $4.50 per pound (up from $3.90 last year), fishermen can make between $27 and $45 for each red king crab they catch. When fully outstretched, their legs may stretch more than 12 feet from the tip of one leg to the other. Pincers. All are decapod crustaceans (order Decapoda, class Crustacea).Adult coconut crabs are about 1 metre (40 inches) from leg tip to leg tip and weigh about 4.5 kg (10 pounds). These are like pincers, a tool with two parts used to grip things. How many feet do crabs have? There are over 800 species of hermit crab, most of which possess an asymmetric abdomen concealed by a snug-fitting shell. (They spawn at the shallower end of that spectrum.) [5] Crabs can live on land as long as they keep their gills moist. Top Answer. Wiki User Answered . Crabs have claws at the end of their front two legs. When millipedes hatch, they only have a few pairs of legs. Stone Crabs. Crabs use their pincers for fighting and for catching prey and tearing it apart to eat. 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