blue crab species classification

Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Summary Summary. This material is based upon work supported by the National Science Foundation under Grant DRL-0628151.Copyright Â© 2002-2020, The Regents of the University of Michigan. BioKIDS is sponsored in part by the Interagency Education Research Initiative. Objective . Blue King Crab. The blue king crab, Paralithodes platypus, lives near St. Matthew Island, the Pribilof Islands, and the Diomede Islands, Alaska, and there are populations along the coasts of Japan and Russia. It is easily identified by its body color which is generally a bright blue … Have them identify what characteristics cause the blue crab to be classified in the Order that they are, and name one other member of this order. Fossil records are few for many species. They are striking to spot with their often bright-blue claws and olive-colored carapace (shell). Encyclopedia article covering the order, with details of anatomy, classification, and photos of sample species. Tender leaves, fruits, berries, flowers, beetles and other large insects are the blue land crab’s preferred diet, while the blackback land crab occasionally enjoys animal matter found near the burrows. The fifth pair of legs is flattened for swimming. Corrections? Callinectes sapidus: information (1) Callinectes sapidus: pictures (4) Species Callinectes similis lesser blue crab. The horseshoe crab has left numerous fossil records but the swimming crab, such as the blue crab, has left far fewer. Eight short spines occur on each side between the large spine and the eyes. Blue crab [English] Common blue crab [English] Their usual habitat is muddy shores, bays, and estuaries.… Still we know that if you were to go out and catch a blue crab today it would be the same species as it was 400 million years ago! Omissions? 4, fig. Classification Additional information: Find blue crab information at Encyclopedia of Life; blue crab. ... species of the Blue Crab. All rights reserved. Let us know if you have suggestions to improve this article (requires login). the Atlantic or Chesapeake Blue Crab and the Snow Crab. The blue crab, Callinectes sapidus, was named by Dr. Rathbun. Other commercially important taxa include Portunus pelagicus, several species in the genus Chionoecetes, the blue crab (Callinectes sapidus), Charybdis spp., Cancer pagurus, the Dungeness crab (Metacarcinus magister), and Scylla serrata, each of which yields more than 20,000 tonnes annually. Our editors will review what youâve submitted and determine whether to revise the article. There hundreds of different crabs on this planet so for the sake of simplicity, I am going with 2 kinds. Species Callinectes sapidus blue crab. New England/Mid-Atlantic. Blue crab, (genus Callinectes), any of a genus of crustaceans of the order Decapoda (phylum Arthropoda), particularly Callinectes sapidus and C. hastatus, common edible crabs of the western Atlantic coast that are prized as delicacies. Updates? The crabs are scavengers, feeding on the bodies of dead animals. Kingdom Animalia animals. Classification. Blue crabs are not threatened or endangered. Blue king crabs from the Pribilof Islands are the largest of all the king crabs, sometimes exceeding 18 lb … Atlantic Blue Crab Trap/Pot Fishery - MMPA List of Fisheries. This article was most recently revised and updated by, https://www.britannica.com/animal/blue-crab. There is only one other species of soldier crab common in Sydney. Yet, they all belong to the scientific order Decapoda, which comes from the Greek words “deka” meaning ten, and “pous” (poda), meaning feet. The bay, which was called by journalist and critic H.L. As it marches around feeding, it moulds the sand into numerous pellets, sorting through it for organic matter. Classification Classification. The claws on the adult female blue crab are tipped with red. 1.-- Muraoka, 1998: 33. Their usual habitat is muddy shores, bays, and estuaries. The shell, greenish on top and dingy white below, is about 7.5 cm (3 inches) long and 15 to 18 cm wide; the legs are bluish. Classification Classification. C. sapidus individuals exhibit sexual dimorphism. In turn, the yeti crab, which gets its name from its furry legs like those of the caricature, lives in the depths of the South Pacific Ocean. Mencken a âgreat big outdoor protein factory,â still affords a precarious livingâ¦. Habitat Species Callinectes sapidus blue crab Callinectes sapidus: information (1) Callinectes sapidus: pictures (4) Species Cambarus bartonii Appalachian brook crayfish The Blue crab is an omnivore, eating both plants and animals. Ray Bauer Research: Marine Biology and Shrimps Research projects by Bauer and students on caridean and penaeid shrimps and other decapod crustaceans, emphasizing mating systems, breeding, hermaphroditism, coloration, grooming, fouling, seagrass fauna, publications. The blue king crab or Paralithodes platypus in scientific terms, is the largest king crab species and one of the biggest crustaceans in the world.. Characteristics of the Blue King Crab. Southeast. Like all crabs, sea crabs belong to the order of decapods, which mean they have five pairs of legs inserted into their abdomens.The first pair of legs evolved over time, becoming a pair of claws or pincers that these crustaceans use to capture, cut and manipulate their food and even to defend themselves, and to court their partners. Callinectes sapidus is a decapod crustacean of the family Portunidae, which includes the swimming crabs. Level of scientific classification; below Kingdom and above Class Thin, tapered claw used for tearing Blue crab that is 3-6 days from molting Organisms that cannot swim or are very weak swimmers and are at the mercy of the currents Kingdom Animalia animal kingdom. Since there are so many different kinds of crabs, they have thousands of common names, such as king crab, horseshoe crab, blue crab, snow crab, coconut crab, and more. ADW Pocket Guides on the iOS App Store! Blue crabs may grow to a carapace width of 23 cm (9.1 in). The genus Callinectes is distinguished from other portunid crabs by the lack of an internal spine on the carpus (the middle segment of the claw), as well as by the T-shape of the male abdomen. shrimps, crabs, lobsters, water fleas, and relatives. Status in World Register of Marine Species Accepted name: Callinectes sapidus Rathbun, 1896 Scientific synonyms and common names Callinectes sapidus Rathbun, 1896: 352.-- Sakai, 1976b: 29, pl. U.S. fisheries are classified under the Marine Mammal Protection Act according to the level of interactions that result in incidental mortality or serious injury of marine mammals. The Blue Crab (Callinectes sapidus), or the Atlantic Blue Crab, is a species of crab native to the waters of the western Atlantic Ocean and the Gulf of Mexico, and introduced internationally. The chelae, or pincers, are large and somewhat unequal in size. Their usual habitat is muddy shores, bays, and estuaries. Basic Classification and Identification of Blue Crabs . Also known as the Chesapeake blue crab or the Atlantic blue crab, these crabs are strong swimmers—largely due to their fifth pair of legs, which are shaped like paddles. Callinectes sapidus: information (1) Callinectes sapidus: pictures (4) Species Carcinus maenas green crab. Paralithodes platypus Conservation status Least Concern Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Arthropoda Subphylum: Crustacea Class: Malacostraca Order: Decapoda Family: Lithodidae Genus: Paralithodes Species: P. platypus Binomial name Paralithodes platypus Paralithodes platypus, the blue king crab, is a species of North Pacific king crab which lives near St. … Species Callinectes sapidus blue crab Callinectes sapidus: information (1) Callinectes sapidus: pictures (4) Species Cambarus bartonii Appalachian brook crayfish The blue crab which is one of the most wanted types of crabs, lives in estuaries and salt lagoons along the coast that goes from Nova Scotia, to the Gulf of Mexico. Why do Classification Species armatus Genus Portunus Family Portunidae Infraorder Brachyura Order Decapoda Class Malacostraca Subphylum Crustacea Phylum Arthropoda Kingdom Animalia; Size … Callinectes sapidus. Species Callinectes sapidus blue crab. Kingdom Animalia animals. Blue crab, (genus Callinectes ), any of a genus of crustaceans of the order Decapoda (phylum Arthropoda), particularly Callinectes sapidus and C. hastatus, common edible crabs of the western Atlantic coast that are prized as delicacies. Species Callinectes sapidus blue crab Other important species include flower crabs (Portunus pelagicus), snow crabs (Chionoecetes), blue crabs (Callinectes sapidus), edible or brown crabs (Cancer pagurus), Dungeness crab (Metacarcinus magister), and mud crabs (Scylla serrata), each of which provides more than 20,000 tonnes annually. Blue Crabs of the South Atlantic Bight Native and Occasional species of Callinectes (or, when isn’t a blue crab a blue crab?) It is a partnership of the University of Michigan School of Education, University of Michigan Museum of Zoology, and the Detroit Public Schools. Classification: Kingdom: Animalia Phylum: Arthopoda Class: Malacostraca Order: Decapoda Family: Portunidae Genus: Portunus Species: Sapidus Common Name: Blue Crab Morphology: Blue Crabs are segmented and have bilaterally symmetry.They have a bluish color hard shell. These crabs are omnivorous, since they eat a wide variety of invertebrates, as well as any dead or decaying organic matter (plant or animal). By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Blue crab, (genus Callinectes), any of a genus of crustaceans of the order Decapoda (phylum Arthropoda), particularly Callinectes sapidus and C. hastatus, common edible crabs of the western Atlantic coast that are prized as delicacies. Land crab diets vary slightly from species to species, but generally include nesting sea birds, invertebrates and plants. Sea Crabs. Larvae hatch two weeks after fertilization and pass through a number of zoeal, or early larval, stages before metamorphosing into conventional crablike forms. The Soldier Crab is quite distinctive with its small, round, blue body on long jointed legs with purple stripes. Conservation. Cardisoma guanhumi Scientific classification Kingdom: Animalia Phylum: Arthropoda Subphylum: Crustacea Class: Malacostraca Order: Decapoda Infraorder: Brachyura Family: Gecarcinidae Genus: Cardisoma Species: C. guanhumi Binomial name Cardisoma guanhumi Latreille, 1828 Cardisoma guanhumi, also known as the blue land crab, is a species of land crab found in tropical and subtopical … Males and females are easily distinguished by the shape of the abdomen (known as the "apron") and by color differences in the cheli… In addition, recent reports have shown that blue crabs are projected to be detrimentally impacted by climate change in a way that can also wreak havoc on sensitive ecosystems that the blue crab calls home. A distinctive, large, sharp spine projects from each side. However, habitat loss and nutrient loading are some of the larger issues faced by this species. Callinectes sapidus is a decapod crab of the swimming crab family Portunidae. This is the smaller Mictyris platycheles. BioKIDS homeÂ Â |Â Â Questions?Â Â |Â Â Animal Diversity WebÂ Â |Â Â Cybertracker Tools. The largest catch is the blue crab, which arrives on dinner tables in such forms as crab soup, crab cakes, steamed hard-shell crabs, soft-shell crabs, and crab imperial. At spawning time the femaleâs abdomen swells with eggs. Kingdom: Animalia Phylum: Arthropoda Subphylum: Crustacea Class: Malacostraca Subclass: Eumalacostraca Superorder: Eucarida Order: Decapoda Suborder: Pleocyemata Infraorder: Brachyura Many species grow to a carapace width of 23 cm ( 9.1 in ) with details of anatomy classification. As the blue crab the bay, which was called by journalist critic... Species callinectes similis lesser blue crab the horseshoe crab has left numerous Fossil records are few for many.! And plants know if you have suggestions to improve this article was most recently and... Decapod crustacean of the family Portunidae, which was called by journalist and critic H.L,. 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