are crab and lobster in the same family?
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Crabs are decapod crustaceans and belong to the infraorder of Brachyura. Lobsters are large crustaceans belonging to the family Nephropidae and Homaridae. True crabs can be identified by their short tails and very small abdomen which is mostly hidden under the thorax.
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Technically, they're not that closely linked, although crabs and spiders are both members of the arthropod family, as are other insects, and lobsters. Basically, they're classed together because they all have exoskeletons and jointed legs.
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Are crabs just sea spiders? - Quora. No, sea spiders are a class of arthropods called the Pycnogonida (a word meaning “closely packed gonads”), whereas crabs are in the arthropod subphylum Crustacea.
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Krill belong to the large arthropod subphylum, the Crustacea. The most familiar and largest group of crustaceans, the class Malacostraca, includes the superorder Eucarida comprising the three orders, Euphausiacea (krill), Decapoda (shrimp, prawns, lobsters, crabs), and the planktonic Amphionidacea.
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While people often call lobsters the “cockroaches of the sea,” lobsters are not very closely related to cockroaches. While both are invertebrates with very distant common ancestors, they have evolved in different ways over millions of years.
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Lobsters and crabs have a pigment called astaxanthin in their shells, which has the ability to absorb blue light, making the shell appear red under certain conditions. When the lobster is alive, the pigment is safely stored inside a membrane hidden in the shell called the crustacyanin.
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Crabs are decapod crustaceans which have a very short tail and are covered with a thick shell, or exoskeleton and are armed with a single pair of claws. There are over 6,793 species of crab spread across the oceans, fresh water, and even on land. ... Crabs are invertebrates (animals without a backbone).
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Paralithodes camchaticus. A whole cluster: three legs, a claw and a shoulder. Cooked and frozen on board for an irreproachably fresh product. The best crab: king crab has beautiful white meat, juicy, with a unique delicate flavour.
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While often grouped with seafood, crawfish themselves have a very mild natural flavor. They are meatier than crab and not as tough as shrimp, but crawfish are often described as tasting like a combination of the two. They are lightly salty, slightly sweet, and can have a bit of a mineral flavor.
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Some species commonly found around the British Isles Edible Crab (Cancer pagurus) – Called the edible crab due to its importance as food for humans, it is a large crab, which can be distinguished from other British species by its pie crust shell.
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Their rock-hard shells also make rock shrimp look more akin to lobsters. But they're shrimp: Sicyonia brevirostris, to be exact. Other folks confuse rock shrimp with langostinos (which are actually crabs with tails) or with crayfish (which are actually fresh-water crustaceans).
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Lobsters are actually closely related to insects! It's hard to believe that these beady-eyed, clawed-clothed marine animals could be closely related to a mosquito or a grasshopper, but indeed they are. Lobsters, like insects, belong to the invertebrate phylum Arthropoda.
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Scientifically, crabs are classified as crustaceans, which are a totally different phylum from fish. Of course, you could be talking about crabs in a culinary sense, but crabs are actually seafood, which is basically any edible animal from the sea.
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Crabs are decapod crustaceans which have a very short tail and are covered with a thick shell, or exoskeleton and are armed with a single pair of claws. Crabs are invertebrates (animals without a backbone).
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In Australia, it is more widely known as the Moreton Bay bug after Moreton Bay, near Brisbane, Queensland. In Singapore, both the flathead lobster and true crayfish are called crayfish. They are used in many Singaporean dishes.
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The difference between scampi (langoustine) and prawns is that the scampi belong to the lobster family and prawns to the shrimp family.
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Shellfish such as crab and lobster do not have fins or scales and are therefore prohibited for human consumption under biblical dietary laws. ... Lobsters have even been seen burying dead fish and digging them up a little at a time to eat. Crabs will eat just about anything and are known as professional garbage hunters.