The Blue Leg Hermit Crabs is an active omnivore in their diet and opportunistic in their feeding habits. It is the Maryland state crustacean and is that state’s largest commercial fishery. But they are not restricted to algae, as most of these crustaceans are omnivores. Clam, oyster and mussel shell beds are typical feeding areas for blue crabs. Blue crabs in poor health, missing important appendages, heavily fouled with other organisms, and those within or immediately following ecdysis are more likely to be cannibalized. They feed on plants, algae, clams, mussels, snails, live or dead fish, other crabs (including smaller members of their own species), and detritus. Papershell crabs regularly consume their own molted exoskeletons. Like in all decapods, the blue king crab’s shell really is a skeleton on the outside of its body. At various stages in the life cycle, blue crabs serve as both prey and as consumers of plankton, benthic macroinvertebrates, fish, plants, mollusks, crustaceans (including other blue crabs), and organic debris. Most of the crabs are aquatic and so, a major part of their diet consists of algae. The immovable, fixed finger of the claws in males is blue with red tips, while the females have orange coloration with purple tips. Crab meat is an excellent source of high quality protein, vitamins, and minerals that are needed for good nutrition. Blue crabs also serve as prey for other vertebrate species. 5.1 grams protein. During her adult life, the female blue crab remains in the estuary, although usually in higher salinity water than males.She eats fish, crustaceans, worms, and mollusks, and may be preyed upon by large fish, birds, and mammals (including humans).Her molting rate increases during warmer months, although water temperatures greater than 30 o C (86 o F) appear to inhibit molting. The Blue crabs are non-selective feeders. This site uses Akismet to reduce spam. Nutrition Facts. However, some species are carnivores and some others are strict herbivores (like mangrove crabs). The females generally migrate to high salinity waters during spawning to develop a sponge, and return inland after hatching their larvae. They will even eat smaller and soft-shelled blue crabs. Mar 8, 2016 - Explore Locals Seafood's board "Blue Crab Recipes", followed by 498 people on Pinterest. They eat clams, mussels, snails, dead fish, plants, and more. Their common foods include clams, oysters, fishes, other benthic invertebrates, and plant material and also detritus and carrion. Blue crabs are classified as general scavengers, bottom carnivores (eats other animals), detritivores (eats decaying organic matter), and omnivores (eats either other animals or plants). Conservation. Blue Crab Nutrition Facts. Diet and Behavior Blue crabs are omnivores. 0 grams fiber. 9 anterolateral, acuminate teeth, the larger one at the lateral corner long and sharp-pointed, and having a dorsal carina produced to the metagastric area; telson lanceolate, longer than wider. Unlike red king crab juveniles, blue king crab juveniles are not known to form pods. Blue crabs are not threatened or endangered. 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If you prefer, steam 8 pounds of live blue crabs and pick out the meat to make the filling. Subscribe ROY'S FARM newsletter for news, updates and receiving notifications of new posts by email. It has introduced in the Eastern Atlantic, in the northern and eastern Mediterranean and also in Japan. However, in general major food items of larger juveniles and adults include bivalve molluscs (clams, oysters, mussels, etc. However, review full breed profile of this crab in the table below. 22.1 mg cholesterol. 0 grams sugar. They can grow to a carapace width of around 23 cm. 0.2 grams saturated fat. Some have estimated that adult blue crabs will eat more than 1,200 juvenile clams a day. Adult blue crabs are bottom-dwelling predators and scavengers. Diet These crabs are predacious and scavenge for food. The male and female Blue crabs are easily distinguished from each other. At least 60 species of fish have been identified as blue crab predators. The male Blue crabs may also have mottled white coloration on the swimming legs, and the females have areas of violet coloration on the internal surface of the claws. If they can’t find other food sources, blue crabs will even eat smaller, less mature blue crabs. It is very tasty and popular around the globe. In the wild, crabs eat a variety of plants and animals. Blue king crab molt frequently as juveniles, growing a few millimeters in size with each molt. Crabs will also lie motionless on the bottom waiting for unsuspecting prey. 21.1 grams protein. Crab Measuring Gauges for Dungeness & Blue Crabs, ➰ The Best Crab Lines for Traps, Pots & Trotlining, The Best Crabbing Gloves On The Market. Learn how your comment data is processed. Blue crabs also dig into sediments to both forage and hide, thus killing more organisms than they consume. 114.5 mg cholesterol. 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