In cooler water, maturity takes up to 18 months. Blue Swimmer Crab. Literally, the word callinectes means “beautiful swimmer” while sapidus means “savory”. The crab's scientific name means "savory beautiful swimmer." Crabs are found in all of the world's oceans, while many crabs live in fresh water and on land, particularly in tropical regions. Visible on the underside of a crab are the mouthparts and the abdomen. Blue crabs mate in early summer and fall. Scientific Name. Blue crabs are named for their brilliant sapphire-tinted claws; their carapace (shell) is actually mottled brownish in color. It can grow up to 3/4' to 1-1/2' in. It’s the same as the blue crab, above. The optimum salinity and temperature ranges for larval development and survival, as indicated by laboratory experiments, correspond closely with ranges for these factors in the lower estuary and marine waters. Male blue crabs have a T-shaped abdomen readily distinguishable from both female stages. Its scientific name is Callinectes sapidus (calli is Greek for "beautiful", nectes is "swimmer", and sapidus is Latin for "savory"). They’re great battered and fried. Portunus pelagicus is the scientific name for the blue swimming crab. The mouthparts are a series of pairs of short legs, specialised to manipulate and chew food. Blue crabs are omnivores. Soft-shell crab is usually shipped live, however it is common for the blue crab to perish in transit. By looking at the abdomen you can see the difference between adult males, adult females, and juvenile females. Photo about Blue Crab Isolated On White. The continuing decline may be due to a combination of threats, which include disease, overharvesting, climate change, pollution, and habitat degradation. Although named blue crabs, the shells of these crustaceans are really more green or mottled brown, with blue only appearing prominently on their claws, with an added splash of red on females. Male crab called a jimmy or channler. Image of food, isolated, aquatic - 36582799 It is now relatively common along European and Japanese coasts. Blue crabs exhibit obvious sexual dimorphism. 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. While blue crabs do have sapphire blue claws, their bodies are usually duller in color. The blue crab's scientific name, Callinectes sapidus, means "savory beautiful swimmer." Facts About the Spiny Lobster (Rock Lobster), Crustaceans: Species, Characteristics, and Diet, Interesting Facts About the American Lobster, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College. Blue crabs don’t usually eat oysters because the shell of the oyster is too hard to open. It belongs to the family of swimming crabs: Portunidae. Smell is the only real indicator of freshness, and any crab that has an odor resembling ammonia should not be served. The scientific name of the blue crab, Callinectes sapidus, is actually a more accurate description for both males and females. It can be found in the colors of orange, tan and a blue gray. Insemination occurs after the female molts, providing her with spermatophores for a year of spawning. The crab can be found mostly in the estuaries as well as … Its scientific name— Callinectes sapidus —translated from Latin means 'beautiful savory swimmer. And those claws? It belongs to the family of swimming crabs: Portunidae. The molting page contains a comprehensive breakdown of the many stages with easy to follow pictures! These eyestalks can stick out so the crab can see in the front, back, and sides if need be. More than 20,000 species have been found. Image of food, isolated, aquatic - 36582799 Pictured above: The blue crab’s scientific name, Callinectes sapidus, means savory, beautiful swimmer. The antennae have “smell detectors” which detect chemicals that stimulate a search for food. Blue crabs belong to the family Portunidae and one thing that separates crabs in this family from other crabs is that the portunids all have a special pair of swimming legs. Check out the scientific name. Sapidus, finally, means tasty or savory. While blue crabs do have sapphire blue claws, their bodies are usually duller in color. Crabs also have a stomach and a heart that pumps a liquid through the body to supply the tissues with oxygen. Some buyers suggest that the summer peak is the best time to buy crab. Blue crabs have blue legs and claws and olive to grayish blue bodies. Portunus pelagicus is the scientific name for the blue swimming crab. Crabs can also hear and produce a variety of sounds. So what’s the story with the blue? They can bring … Mature female called a sook. Portunus pelagicus, also known as the flower crab, blue swimming crab or sand crab, is a large crab found in the intertidal estuaries of the Indian and Pacific Oceans (Asian coasts) and the Middle-Eastern coast of the Mediterranean Sea. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. The pull-off at the end of the road is empty, as I expected it to be at 11:00 p.m. Immature female crabs that are ready to mature on the next molt are called pre-pubescent females and release chemicals to attract mature male crabs in the area. Just how long the blue crab or any crab, such as the fossilized horseshoe crab pictured here, has been around is open to conjecture. Callinectes sapidus is a decapod crab of the swimming crab family Portunidae. It has the scientific name Callinectes sapidus. Try this Blue Swimmer Crabs, also known as Sand Crabs or Blue Manna Crabs, are swimming crabs that have their last pair of legs modified to act as paddles. The mature females, or "sooks," have bright orange tips on their claws. Mating occurs in brackish water during warm months between May and October. The blue crab's scientific name, Callinectes sapidus, translates to "savory beautiful swimmer." 0 0. The blue crab’s scientific name translates as “beautiful swimmer that is savory.” That means their old shells have shed, and their new shells haven’t formed and hardened yet! 4. According to the researchers at SERC, the male crab may be doing this to protect his “investment” by making sure that the female doesn’t mate again. In 2012, Louisiana became the first sustainable blue crab fishery. One way to learn more about blue crabs is to take a closer look at their anatomy. Some of the most popular crab varieties for humans to eat are blue crab, softshell crab, snow crab, Dungeness crab, stone crab, and king crab. (Scientific Name : Portunus Pelagicus). Crabs are generally covered with a thick exoskeleton, composed primarily of highly mineralized chitin, and armed with a single pair of chelae (claws). So, the scientific name of the blue crab, Callinectes sapidus, means a “beautiful swimmer that tastes good.” Not a bad name for this tasty swimmer. Blue crabs are one of the most important commercial and recreational catches in the Chesapeake Bay. Mating pair called a doubler. The largest blue crab ever caught in the Chesapeake was huge. Like insects, blue crabs have stalked compound eyes and can see in almost every direction at once. The eyes which protrude from the front of the carapace are on the ends of short stalks. So the problem with providing a scientific name for the crabs is the fact that 'crab' isn't really a scientific term, since it refers to critters that aren't very closely related. ➰ The Best Crab Lines for Traps, Pots & Trotlining, The Best Crabbing Gloves On The Market. Prized for their sweet and tender meat, these crustaceans are among the most heavily harvested in the world. Other areas include: The larvae are easily transported in the ballast of ships and have been found in the western and eastern Atlantic and Mediterranean ports. Immature female called a sally or she-crab. The mouth parts have evolved into finely laced fans which can be seen in the image below. The scientific name for the Blue Crab is Callinectes: (Greek) and translates to Beautiful Swimmer. Crabs . 0 0. The blue crab's scientific name, Callinectes sapidus, is from Latin and Greek: calli, beautiful; nectes, swimmer; and sapidus, savory-beautiful, savory swimmer. The mouth parts have evolved into finely laced fans which can be seen in the image below. Mating pair called a doubler. The blue crab’s scientific name comes from the Greek words for “beautiful” and “swimmer.” 2. Try this The blue crab's scientific name, Callinectes sapidus, translates to "savory beautiful swimmer." It is an important species for fish industry because it sold in high price. Blue crabs live up and down the Atlantic Coast and in the Gulf of Mexico and are caught by both commercial and recreational fishermen. Blue crabs live along the coastlines of the Atlantic and Carribean, all the way down to South American and Argentina! Blue crabs may grow to a carapace width of 23 cm (9.1 in). Fossil records are few for many species. Cardisoma guanhumi, also known as the blue land crab, is a species of land crab found in tropical and subtopical estuaries and other maritime areas of land along the Atlantic coast of the Americas from Brazil and Colombia, through the Caribbean and Gulf of Mexico, to the Bahamas, and north to Ponce Inlet, Florida and Bermuda. The male blue crab apron resembles the Washington Monument. It is an important species for fish industry because it sold in high price. The crab can be found mostly in the estuaries as well as … Crabs also have six walking legs and two claws. They are soft structures under the side of the carapace. Development and hatching of eggs takes place under a relatively wide range of salinity and water temperature, but this range narrows in successive zoeal instars. Blue crabs are named for their brilliant sapphire-tinted claws; their carapace (shell) is actually mottled brownish in color. Callinectes, means beautiful swimmer, and the blue crab is indeed a good swimmer. The bristles occur all over the body but are most frequently found in clumps on the walking legs. Like other hermit crabs, it also lives inside abandoned snail shells. It can be found in the colors of orange, tan and a blue gray. 1. The scientific name of the blue crab, Callinectes sapidus, is actually a more accurate description for both males and females. Callinectes, means beautiful swimmer, and the blue crab is indeed a good swimmer. Females have red-tipped claws. The blue crab is a decapod, which means it possesses ten appendages, of which four pairs are segmented walking legs. Blue crab populations naturally fluctuate, mainly in response to temperature and weather conditions. Depending on the conditions, the crabs will mate for a few hours. See more ideas about Crab, Animals, Crabs animal. 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