[5] Crabs can live on land as long as they keep their gills moist. This process involves shedding their exoskeleton and growing a new one. Opilio crabs weigh an average of one to three pounds. Coconut crab, (Birgus latro), also called robber crab, large nocturnal land crab of the southwest Pacific and Indian oceans. A properly removed claw should not have meat from the body attached. Top Answer. [6] A crab’s shell does not grow or stretch. Georgia does not regulate the harvest of stone crab; however, the harvest of the whole crab is discouraged. 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). Crabs are generally covered with a thick exoskeleton, composed primarily of highly mineralized chitin, and armed with a single pair of chelae (claws). 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." 2009-05-27 21:51:47. they have 10 legs. Then, just like many other creatures such as crabs and spiders, they grow through a process called molting. Each time they do this, millipedes also grow a new segment and therefore two new pairs of legs. Blue Crabs In time, the claw or leg grows back. When red king crabs grow too big for their shell (exoskeleton), they shed their shell by absorbing water and cracking it, a process called molting. Greenhorns have it rough and are heavily featured on the show. 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 … How many feet do crabs have? Stone Crabs. When fully outstretched, their legs may stretch more than 12 feet from the tip of one leg to the other. Honey hole: a secret spot where a captain knows there are a lot of crab. There are over 800 species of hermit crab, most of which possess an asymmetric abdomen concealed by a snug-fitting shell. These are like pincers, a tool with two parts used to grip things. Red king crabs can provide many dietary benefits including a good source of protein. Wiki User Answered . 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. It is closely related to the hermit crab and king crab. 6 7 8. Red king crabs can live up to 20-30 years. The male’s leg span was nearly five feet across). Crabs have several predators, including seagulls, sea otters, octopuses, and humans. See Answer. 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. • 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. Crabs use their pincers for fighting and for catching prey and tearing it apart to eat. Hermit crabs are anomuran decapod crustaceans of the superfamily Paguroidea that have adapted to occupy empty scavenged mollusc shells to protect their fragile exoskeletons. When crab is processed or cooked in quantity, airborne allergens can be abundant, and those allergic often have respiratory or skin-related symptoms. (They spawn at the shallower end of that spectrum.) The shell does not grow in size, so the animal has to keep shedding its shell several times as it grows. Living up to 1,500 feet under the surface of the Pacific Ocean, spider crabs walk across the ocean floor on long stiltlike legs. 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