It has the scientific name Callinectes sapidus. Crabs rely on a combination of these sense organs to find food and mates and flee predators. You can also see two eyestalks protruding from the front part of the shell. Some buyers suggest that the summer peak is the best time to buy crab. The mouth parts have evolved into finely laced fans which can be seen in the image below. According to the Maryland State Archives, the blue crab’s scientific name, Callinectes sapidus Rathbun, honors Mary Jane Rathbun (1860-1943), the scientist who described the species in 1896. The scientific name of the blue crab, Callinectes sapidus, is actually a more accurate description for both males and females. Insemination occurs after the female molts, providing her with spermatophores for a year of spawning. Callinectes, means beautiful swimmer, and the blue crab is indeed a good swimmer. Mature crabs are about 9 inches wide, 4 inches long, and weigh one to two pounds. 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. She has taught science courses at the high school, college, and graduate levels. Click on the image to see the crab move one of the sets of antennae. Like other decapods, blue crabs have 10 legs. People often called it Chesapeake blue crab or Atlantic blue crab. 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. Crabs . Source(s): https://shorte.im/bbYAO. Many people have seen the skipjacks plying the Bay’s waters. The blue crab is a decapod, which means it possesses ten appendages, of which four pairs are segmented walking legs. Under healthy environmental conditions, blue crabs also eat range of other animals, such as fish, worms, and crustaceans like shrimp, barnacles, mud crabs, and other blue crabs. They are found prodigiously in our tidal creeks, marshes, and inlets, and crab meat has Literally, the word callinectes means “beautiful swimmer” while sapidus means “savory”. Blue crabs are named for their brilliant sapphire-tinted claws; their carapace (shell) is actually mottled brownish in color. The scientific name of the blue crab, Callinectes sapidus, is actually a more accurate description for both males and females. Blue crabs are called blue because of the striking deep blue coloring that the male crabs have on the top of their largest claw. That’s because soft-shell crabs are just blue crabs in their molted state. The International Union for Conservation of Nature (IUCN) has not evaluated the blue crab for a conservation status. The crab can be found mostly in the estuaries as well as … The scientific name of the Blue crab (callinectes sapidus) is a mix of Greek and Latin words. It can grow up to 3/4' to 1-1/2' in. The male continues to guard her until her shell hardens. The blue crab (Callinectes sapidus) is known for its color and delicious flavor. Some buyers suggest that the summer peak is the best time to buy crab. They are named “fiddler” because the male holds one claw, always much larger than the other, somewhat like a violin. So there you have it. Crabs can also hear and produce a variety of sounds. When similar detectors on the legs contact food the cheliped quickly grasps the object and passes it into the mouth. The male blue crab apron resembles the Washington Monument. Immature female called a sally or she-crab. Mud crab scientific name is Scylla serrata which known as one of the most popular crab to be consumed due to the incredible big size and nice taste. The many nooks and crannies in the crab contain the muscles that move the claws, walking legs, and swimming legs. Crab Measuring Gauges for Dungeness & Blue Crabs. Blue crab’s scientific name, Callinectes sapidus, translates to “beautiful swimmer that is savory” in Latin. The blue crab's scientific name, Callinectes sapidus, is from Latin and Greek: calli, beautiful; nectes, swimmer; and sapidus, savory-beautiful, savory swimmer. Ask Question Log in. Immature female aprons are triangular in shape. Its last pair of legs is paddle-shaped, permitting the crab to swim more actively than most other crab species. Scientific Name. 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. They’re great battered and fried. The molting page contains a comprehensive breakdown of the many stages with easy to follow pictures! 4 years ago. Callinectes, means beautiful swimmer, and the blue crab is indeed a good swimmer. Juveniles and adults are exposed to a salinity range of 0 to 35 ppt. Pictured above: The blue crab’s scientific name, Callinectes sapidus, means savory, beautiful swimmer. They are found prodigiously in our tidal creeks, marshes, and inlets, and crab meat has Portunus armatus (formerly Portunus pelagicus), also known as the flower crab, blue crab, blue swimmer crab, blue manna crab or sand crab, rajungan in Indonesian, and alimasag in Tagalog, Kapampangan, and Pangasinan, is a large crab found in the intertidal estuaries around most of … Sapidus, finally, means tasty or savory. Blue crabs are an important link in the food web of the Chesapeake Bay. Like insects, blue crabs have stalked compound eyes and can see in almost every direction at once. Blog - Latest News. 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. The scientific name for the Blue Crab is Callinectes: (Greek) and translates to Beautiful Swimmer. “Crab” is a common English word that does not map cleanly onto biological reality. In cooler water, maturity takes up to 18 months. The scientific name for the Atlantic blue crab (Callinectes sapidus) tells it all—the Greek calli means “beautiful,” nectes means “swimmer,” and the Latin sapidus means “savory.” Indeed, these blue-hued creatures offer what many esteem as the sweetest, most delectable taste of the sea. Because the shell of a blue crab, the exoskeleton, is hard and doesn’t grow, crabs must shed their shells in order to grow. The pull-off at the end of the road is empty, as I expected it to be at 11:00 p.m. Anonymous. The crab can be found mostly in the estuaries as well as … The crab's scientific name means "savory beautiful swimmer." Mature female called a sook. The crab is originated in Gulf of Mexico and western Atlantic Ocean. Crabs traveling in ship ballast water have led to the species' introduction to the Black, North, Mediterranean, and Baltic Seas. Callinectes, means beautiful swimmer, and the blue crab is indeed a good swimmer. The crab's scientific name means "savory beautiful swimmer." 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. Immature female called a sally or she-crab. Portunus pelagicus is the scientific name for the blue swimming crab. They are predators as well as prey for other animals, including humans. Literally, the word callinectes means “beautiful swimmer” while sapidus means “savory”. The crustaceans living today are quite different from their great aunts and uncles of eons ago. More than 20,000 species have been found. Male aprons are t-shaped or resemble the Washington Monument. This is called their exoskeleton. Mating pair called a doubler. Using their swimming legs or walking legs, crabs can move pretty quickly to catch prey or to escape from predators. Their claws are long and slender and the shell is rough in texture. It belongs to the family of swimming crabs: Portunidae. Crabs have bristles and hairs which act as touch receptors. Crabs have compound eyes consisting of several thousand optical units. Crabs are generally covered with a thick exoskeleton, composed primarily of highly mineralized chitin, and armed with a single pair of chelae (claws). Mature female carrying brood of eggs called a sponger or sponge crab. For most of the last two decades, the total number of blue crabs in the Chesapeake Bay has lingered below the long-term average. Blue crab distribution varies with age, sex, and season. Crabs are found in all of the world's oceans, while many crabs live in fresh water and on land, particularly in tropical regions. Scientific name: Callinectes sapidus: Authority: Rathbun, 1896 : Common names: Atlantic blue crab. The blue crab's scientific name, Callinectes sapidus, translates to "savory beautiful swimmer." Females don’t have this blue, but instead show red tips at the end of their claws. I open my trunk, pass over the rigged surf rod, and reach for the long-handled wooden net and bucket. Once abundant, fisheries report a severe decline in population numbers. 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. That means their old shells have shed, and their new shells haven’t formed and hardened yet! If the pre-pubescent female accepts the male, the two “double-up” and the male carries her around–usually for one or two days–underneath him until she is ready to molt. The scientific name of the blue crab, Callinectes sapidus, is actually a more accurate description for both males and females. 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. 4 years ago. A complex behavioral repertoire has been demonstrated for blue crabs. Photo about Blue Crab Isolated On White. Their scientific name, Callinectes sapidus, means "savory beautiful swimmer." The gills through which the animal obtains oxygen cannot be seen. In United States, blue crab is a significant commodity for it contributes to the local economy. However, their hind legs are paddle-shaped, making blue crabs excellent swimmers. The scientific name for blue crabs is Callinectes sapdius, which means “beautiful savory swimmer.” They got that one right! Blue crabs are one of the most important commercial and recreational catches in the Chesapeake Bay. Its scientific name— Callinectes sapidus —translated from Latin means 'beautiful savory swimmer. The crab can be found mostly in the estuaries as well as … Lv 4. In warm water, crabs reach maturity in 12 months. The scientific name of the Blue crab (callinectes sapidus) is a mix of Greek and Latin words. The color comes mainly from the blue pigment alpha-crustacyanin and the red pigment astaxanthin. Blue crabs are omnivores. Mud crab scientific name is Scylla serrata which known as one of the most popular crab to be consumed due to the incredible big size and nice taste. Scientific Name. They do like to crawl around an oyster reef and look for other fish and invertebrates. In courtship some species attract the females attention by banging their cheliped on the ground or vibrating their walking legs. Mature female called a sook. Its last pair of legs is paddle-shaped, permitting the crab to swim more actively than most other crab species. Visible on the underside of a crab are the mouthparts and the abdomen. The blue crab’s scientific name comes from the Greek words for “beautiful” and “swimmer.” Male blue crabs are known as “jimmies,” while mature females are called "sooks. 0 0. The blue crab’s scientific name translates as “beautiful swimmer that is savory.” The blue crab is also known as the Chesapeake blue crab or the Atlantic blue crab. While blue crabs do have sapphire blue claws, their bodies are usually duller in color. Most agonistic acts employ chelipeds as organs of expression as well as weapons. While mature males remain in brackish water, females migrate to high salinity water to spawn. The male crabs may have to compete with each other for the female. Mud crab scientific name is Scylla serrata which known as one of the most popular crab to be consumed due to the incredible big size and nice taste. Each species has its own unique sound that can attract a female or intimidate a competing male. The mature females, or "sooks," have bright orange tips on their claws. This process is known as molting. Crabs can find food using chemical stimuli. Its scientific name ... Blue crab habitats include underwater grasses and oyster reefs, and they range from shallow, brackish waters to deeper, saltier waters. 0 0. Its back legs look like paddles and are called swimming legs. Brachyuran crabs are highly aggressive animals, having agonistic interactions consisting of visual threat displays and actual physical combat, which may be formal and ritualized or wild and irregular. Blue crabs have blue legs and claws and olive to grayish blue bodies. 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. The continuing decline may be due to a combination of threats, which include disease, overharvesting, climate change, pollution, and habitat degradation. While blue crabs do have sapphire blue claws, their bodies are usually duller in color. Lv 7. Ice flows in the arctic also provide a home for different species of arthropods. 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. The blue crab’s scientific name translates as “beautiful swimmer that is savory.” 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. The scientific name of the blue crab, Callinectes sapidus, is actually a more accurate description for both males and females. Morphological variants are so different from each other that they could easily be interpreted as distinct species, but there is no point of demarcation — morphological, geographic, or bathymetric — between the “typical” rather blunt-spined form predominating along the east coast of the United States and the “acute-spined” form named C. sapidus acutidens predominating from Florida southward. The crab's scientific name means "savory beautiful swimmer." During a distinct mating ritual the male crab stands on the tips of his walking legs and uses his swimming paddles to rock from side to side. The eyes are on stalks which can be lowered for protection into sockets on the carapace. The blue crab is a highly sought-after shellfish. Blue crabs live along the coastlines of the Atlantic and Carribean, all the way down to South American and Argentina! Overfishing of blue crabs significantly affects populations of fish that depend on their larvae for food and has other negative effects on the aquatic ecosystem. PaulCyp. 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. Blue crabs are native to the western Atlantic coast, ranging from Nova Scotia to Argentina. 4 years ago. There isn't one. There’s even more information on the reproductive cycle of the blue crab on our mating & reproductive page. Fast Facts: Blue Crab. Because crabs mainly stay on the bottom when looking for food, their preferred diet is clams, which they even dig up in the muddy or sandy bottom of the Bay. After they mate, the crabs stay together and the male continues to cradle the female crab until her shell hardens again. The blue crab is in the genus Chionecetes. Smell is the only real indicator of freshness, and any crab that has an odor resembling ammonia should not be served. Blue crabs exhibit obvious sexual dimorphism. The crabs can only mate when the female crab has just molted and her outer shell is still soft. Characteristics. Mating occurs in brackish water during warm months between May and October. The blue crab's scientific name, Callinectes sapidus, is from Latin and Greek: calli, beautiful; nectes, swimmer; and sapidus, savory-beautiful, savory swimmer. The blue crab is a decapod, which means it possesses ten appendages, of which four pairs are segmented walking legs. In United States, blue crab is a significant commodity for it contributes to the local economy. Like insects, blue crabs have stalked compound eyes and can see in almost every direction at once. Source(s): https://shrinks.im/a9oA4. Scientific Name Blue Crab , Find Complete Details about Scientific Name Blue Crab,Scientific Name Blue Crab,Frozen Scientific Name Crab,Blue Swimming Crab from Crab Supplier or Manufacturer-Dandong Huayi Foodstuff Co., Ltd. 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. We have a guide written up to show you exactly how to tell the difference between male and female blue crabs with lots of pictures. It can grow up to 3/4' to 1-1/2' in. Blue crabs don’t usually eat oysters because the shell of the oyster is too hard to open. During their larval stages, they live offshore in high-salinity water and move into marshes, seagrass beds, and estuaries as they mature. These legs, called the paddle fins, are flexible so that they can be rotated in a sculling action that allows the crab to propel itself through the water. Anonymous. The antennae have “smell detectors” which detect chemicals that stimulate a search for food. There are two sets of antennae. Photo about Blue Crab Isolated On White. Mature female aprons are rounded and resemble the United States Capitol building. Try this Large males, called Jimmies by fishermen, have brilliant blue claws and legs. Immature females have triangular shaped abdomens with fused segments; however, at the terminal or pubertal molt, the final ecdysis and onset of sexual maturity, the mature female abdomen becomes broad and rounded. Moreover, people love to eat the blue crab … The crab can be found mostly in the estuaries as well as … Scientific Name Blue Crab , Find Complete Details about Scientific Name Blue Crab,Scientific Name Blue Crab,Frozen Scientific Name Crab,Blue Swimming Crab from Crab Supplier or Manufacturer-Dandong Huayi Foodstuff Co., Ltd. Female blue crabs, like the males, molt several times in order to grow, but a particularly important molt when an immature female becomes mature. Their scientific name is both complementary – Callinectes = beautiful swimmer- and explains their mass appeal – sapidus = savory. When crabs are threatened, they extend their claws in a defensive posture. The mature females, or "sooks," have bright orange tips on their claws. Its claws are colored brownish green. Blue crabs are one of the most important commercial and recreational catches in the Chesapeake Bay. Blue crabs can be found way down south. The blue crab also spends its first month or so in the plankton community, during which time it is a very easy prey for many of the filter feeders in the Bay, such clams, oysters, menhaden, bay anchovies, and barnacles. As she nears the molt, a male defends her against threats and other males. Blue crab populations naturally fluctuate, mainly in response to temperature and weather conditions. (Scientific Name : Portunus Pelagicus). Home Science Math History Literature Technology Health Law Business All Topics Random. According to the Maryland State Archives, the blue crab’s scientific name, Callinectes sapidus Rathbun, honors Mary Jane Rathbun (1860-1943), the scientist who described the species in 1896. Soft-shell crab is usually shipped live, however it is common for the blue crab to perish in transit. Crabs also have six walking legs and two claws. Males are slightly larger than females and have bright blue claws. Check out the scientific name. They were thought to have consisted of many similar segments, each with a pair of biramous appendages (having two branches) that resembled each other. Many times it has been found that there are more of them than any other type of water dweller. They tend to be abundant in shallow-water areas during warm weather. Blue Swimmer Crab. So what’s the story with the blue? Their usual habitat is muddy shores, bays, and … Mud crab scientific name is Scylla serrata which known as one of the most popular crab to be consumed due to the incredible big size and nice taste. 0 0. Blue crabs are commercially important along the Atlantic and Gulf coasts. Spawning occurs twice a year in some areas and year-round in others. Smell is the only real indicator of freshness, and any crab that has an odor resembling ammonia should not be served. Well actually, all adult blue crabs are dark green on top and white underneath. The bristles occur all over the body but are most frequently found in clumps on the walking legs. However, state management plans are in place over much of the crab's native range. Source(s): https://shorte.im/bbYAO. It can be found in the colors of orange, tan and a blue gray. Prized for their sweet and tender meat, these crustaceans are among the most heavily harvested in the world. Male crab called a jimmy or channler. Callinectes, means beautiful swimmer, and the blue crab is indeed a good swimmer. According to the University of California at Berkley, more than 38,000 species have so far been identified. 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! The mouthparts are a series of pairs of short legs, specialised to manipulate and chew food. Our crab is known as the "Atlantic Blue Crab". Depending on the conditions, the crabs will mate for a few hours. 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. By looking at the abdomen you can see the difference between adult males, adult females, and juvenile females. 0 0. These are used by the crab to sense vibrations in the water and collect chemical clues for detecting predators and prey. Portunus pelagicus . Crab Scientific Name 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. Female blue crabs carry eggs on their swimmerets. Mature female carrying brood of eggs called a sponger or sponge crab. Exploration in the ocean depths continues to reveal others. While blue crabs do have sapphire blue claws, their bodies are usually duller in color. The carapace is broad, with a prominent spine on each side. Scientific Name More Detail Added by; Electric Blue Hermit Crab: Crab: Diogenidae: Calcinus elegans: The Electric Blue Hermit Crab is very attractive due to its electriying blue legs with black bands and its bright orange antennae. What sets these babies apart in the kitchen is you prepare the whole thing for consumption. If the crab is flipped over, the shape of the folded surface of the belly (the apron) reveals the animal's approximate age and sex. 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