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Lobster
Lobsters are a family (biology), family (Nephropidae, Synonym (taxonomy), synonym Homaridae) of marine crustaceans. They have long bodies with muscular tails and live in crevices or burrows on the sea floor. Three of their five pairs of legs have claws, including the first pair, which are usually much larger than the others. Highly prized as seafood, lobsters are economically important and are often one of the most profitable commodities in coastal areas they populate. Commercially important species include two species of ''Homarus'' from the northern Atlantic Ocean and scampi (which look more like a shrimp, or a "mini lobster")—the Northern Hemisphere genus ''Nephrops'' and the Southern Hemisphere genus ''Metanephrops''. Distinction Although several other groups of crustaceans have the word "lobster" in their names, the unqualified term "lobster" generally refers to the clawed lobsters of the family Nephropidae. Clawed lobsters are not closely related to spiny lobsters o ...
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Lobsters Awaiting Purchase, Trenton, ME IMG 2477
Lobsters are a family (biology), family (Nephropidae, Synonym (taxonomy), synonym Homaridae) of marine crustaceans. They have long bodies with muscular tails and live in crevices or burrows on the sea floor. Three of their five pairs of legs have claws, including the first pair, which are usually much larger than the others. Highly prized as seafood, lobsters are economically important and are often one of the most profitable commodities in coastal areas they populate. Commercially important species include two species of ''Homarus'' from the northern Atlantic Ocean and scampi (which look more like a shrimp, or a "mini lobster")—the Northern Hemisphere genus ''Nephrops'' and the Southern Hemisphere genus ''Metanephrops''. Distinction Although several other groups of crustaceans have the word "lobster" in their names, the unqualified term "lobster" generally refers to the clawed lobsters of the family Nephropidae. Clawed lobsters are not closely related to spiny lobsters o ...
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Homarus Gammarus
''Homarus gammarus'', known as the European lobster or common lobster, is a species of lobster, clawed lobster from the eastern Atlantic Ocean, Mediterranean Sea and parts of the Black Sea. It is closely related to the American lobster, ''H. americanus''. It may grow to a length of and a mass of , and bears a conspicuous pair of claws. In life the lobsters are blue, only becoming "lobster red" on cooking. Mating occurs in the summer, producing egg (biology), eggs which are carried by the females for up to a year before hatching into planktonic crustacean larvae, larvae. ''Homarus gammarus'' is a highly esteemed food, and is widely lobster fishing, caught using lobster trap, lobster pots, mostly around the British Isles. Description ''Homarus gammarus'' is a large crustacean, with a body length up to and weighing up to , although the lobsters caught in lobster trap, lobster pots are usually long and weigh . Like other crustaceans, lobsters have a hard exoskeleton which th ...
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Homarus
''Homarus'' is a genus of lobsters, which include the common and commercially significant species ''Homarus americanus'' (the American lobster) and ''Homarus gammarus'' (the European lobster). The Cape lobster, which was formerly in this genus as ''H. capensis'', was moved in 1995 to the new genus ''Homarinus''. Description ''Homarus'' is one of three extant genera of clawed lobsters to show dimorphism between claws – a specialisation into a crushing claw and a cutting claw. The other similar genera are '' Nephrops'', which is much more slender, and has grooves along the claws and the abdomen, and ''Homarinus'', the Cape lobster from South Africa, which is even smaller, and has hairy claws. tp://ftp.fao.org/docrep/fao/009/t0411e/t0411e09.pdf Subfamily Nephropinae Dana, 1852 pp. 51–86 in Holthuis (1991). While analyses of morphology suggest a close relationship between ''Homarinus'' and ''Homarus'', molecular analyses using mitochondrial DNA reveal that they are not sister ...
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Shrimp
Shrimp are crustaceans (a form of shellfish) with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata of the decapod order, although some crustaceans outside of this order are referred to as "shrimp". More narrow definitions may be restricted to Caridea, to smaller species of either group or to only the marine species. Under a broader definition, ''shrimp'' may be synonymous with prawn, covering stalk-eyed swimming crustaceans with long, narrow muscular tails (abdomens), long whiskers ( antennae), and slender legs. Any small crustacean which resembles a shrimp tends to be called one. They swim forward by paddling with swimmerets on the underside of their abdomens, although their escape response is typically repeated flicks with the tail driving them backwards very quickly. Crabs and lobsters have strong walking legs, whereas shrimp have thin, fragile legs which they use primarily for perching.Rudloe & Rudloe (2009 ...
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Cape Lobster
The Cape lobster, ''Homarinus capensis'', is a species of small lobster that lives off the coast of South Africa, from Dassen Island to Haga Haga. Only a few dozen specimens are known, mostly regurgitated by reef-dwelling fish. It lives in rocky reefs, and is thought to lay large eggs that have a short larval phase, or that hatch directly as a juvenile. The species grows to a total length of , and resembles a small European or American lobster; it was previously included in the same genus, ''Homarus'', although it is not very closely related to those species, and is now considered to form a separate, monotypic genus – ''Homarinus''. Its closest relatives are the genera ''Thymops'' and ''Thymopides''. Distribution and ecology The Cape lobster is endemic to South Africa. It occurs from Dassen Island, Western Cape in the west to Haga Haga, Eastern Cape in the east, a range of . Most of the known specimens were regurgitated by fish caught on reefs at depths of . This suggests th ...
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Seafood
Seafood is any form of sea life regarded as food by humans, prominently including fish and shellfish. Shellfish include various species of molluscs (e.g. bivalve molluscs such as clams, oysters and mussels, and cephalopods such as octopus and squid), crustaceans (e.g. shrimp, crabs, and lobster), and echinoderms (e.g. sea cucumbers and sea urchins). Historically, marine mammals such as cetaceans (whales and dolphins) as well as seals have been eaten as food, though that happens to a lesser extent in modern times. Edible sea plants such as some seaweeds and microalgae are widely eaten as sea vegetables around the world, especially in Asia. Seafood is an important source of (animal) protein in many diets around the world, especially in coastal areas. Semi-vegetarians who consume seafood as the only source of meat are said to adhere to pescetarianism. The harvesting of wild seafood is usually known as fishing or hunting, while the cultivation and farming of seafood is kno ...
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Metanephrops
''Metanephrops'' is a genus of lobsters, commonly known as scampi. Important species for fishery include '' Metanephrops australiensis'' (Australian scampi) and ''Metanephrops challengeri'' (New Zealand scampi). It differs from other lobsters such as ''Homarus'' and ''Nephrops norvegicus'' in that its two main claws are of equal size, rather than being differentiated into a ''crusher'' and a ''pincher''. There are 18 extant species recognised in the genus: *''Metanephrops andamanicus'' (Wood-Mason, 1891) *''Metanephrops arafurensis'' (De Man, 1905) *''Metanephrops armatus'' Chan & Yu, 1991 *'' Metanephrops australiensis'' (Bruce, 1966) *''Metanephrops binghami'' (Boone, 1927) *''Metanephrops boschmai'' (Holthuis, 1964) *''Metanephrops challengeri'' (Balss, 1914) *''Metanephrops formosanus'' Chan & Yu, 1987 *''Metanephrops japonicus'' (Tapparone-Canefri, 1873) *'' Metanephrops mozambicus'' Macpherson, 1990 *''Metanephrops neptunus'' (Bruce, 1965) *''Metanephrops rubellus'' (Moreir ...
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Thaumastochelopsis
The family Thaumastochelidae contains five known species of deep-sea lobsters, three in the genus ''Thaumastocheles'', and two in the genus ''Thaumastochelopsis''. The fifth species was discovered in the ten–year Census of Marine Life. These creatures are distinguished from other clawed lobsters by their blindness (an adaptation to deep-sea life), and by their single elongated, spiny chela. The family Thaumastochelidae is now more usually subsumed into the lobster family Nephropidae. The five species are as follows: *''Thaumastocheles'' **''Thaumastocheles dochmiodon'' Chan & de Saint Laurent, 1999 is found in the Timor Sea. **''Thaumastocheles japonicus'' Calman, 1913, the "Pacific pincer lobster", is endemic to the Sea of Japan. **''Thaumastocheles zaleucus'' Thomson, 1873, the "Atlantic pincer lobster" or "Atlantic deep-sea lobster", is endemic to the Caribbean region. *''Thaumastochelopsis'' **''Thaumastochelopsis brucei'' Ahyong, Chu & Chan, 2007 lives in the Coral Sea ...
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Thaumastocheles
The family Thaumastochelidae contains five known species of deep-sea lobsters, three in the genus ''Thaumastocheles'', and two in the genus ''Thaumastochelopsis''. The fifth species was discovered in the ten–year Census of Marine Life. These creatures are distinguished from other clawed lobsters by their blindness (an adaptation to deep-sea life), and by their single elongated, spiny chela. The family Thaumastochelidae is now more usually subsumed into the lobster family Nephropidae. The five species are as follows: *''Thaumastocheles'' **''Thaumastocheles dochmiodon'' Chan & de Saint Laurent, 1999 is found in the Timor Sea. **''Thaumastocheles japonicus'' Calman, 1913, the "Pacific pincer lobster", is endemic to the Sea of Japan. **''Thaumastocheles zaleucus'' Thomson, 1873, the "Atlantic pincer lobster" or "Atlantic deep-sea lobster", is endemic to the Caribbean region The Caribbean region of Colombia or Caribbean coast region is in the north of Colombia and is mainly c ...
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Crustaceans
Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group can be treated as a subphylum under the clade Mandibulata. It is now well accepted that the hexapods emerged deep in the Crustacean group, with the completed group referred to as Pancrustacea. Some crustaceans (Remipedia, Cephalocarida, Branchiopoda) are more closely related to insects and the other hexapods than they are to certain other crustaceans. The 67,000 described species range in size from '' Stygotantulus stocki'' at , to the Japanese spider crab with a leg span of up to and a mass of . Like other arthropods, crustaceans have an exoskeleton, which they moult to grow. They are distinguished from other groups of arthropods, such as insects, myriapods and chelicerates, by the possession of biramous (two-parted) limbs, and by th ...
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Scampi
Scampi, also called Dublin Bay Prawn or Norway Lobster (''Nephrops norvegicus''), is an edible lobster of the order '' Decapoda''. It is widespread in the Mediterranean and northeastern Atlantic, from North Africa to Norway and Iceland, and is a gastronomic delicacy. Scampi became the only species in the genus '' Nephrops'' after several other species were moved to the closely related genus '' Metanephrops''. Shrimp Scampi is a food that includes various culinary preparations of certain crustaceans, such as '' Metanephrops'', as well as shrimp or prawns. Shrimp Scampi preparation styles vary regionally. The United Kingdom legally defines ''scampi'' specifically as ''Nephrops norvegicus''. Monkfish tail was formerly sometimes used and sold as scampi in the United Kingdom, contravening the Fish Labelling (Amendment) England Regulation 2005 and Schedule 1 of the Food Labelling Regulations 1996. Name ''Scampi'' is the Italian plural of , ''Nephrops norvegicus''. The Italian wo ...
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Dinochelus
''Dinochelus ausubeli'' is a small deep sea lobster discovered in 2007 in the Philippines during the Census of Marine Life and described in 2010 in the new genus ''Dinochelus''. Its two claws are very different in size, are elongated, and bear many long teeth on the inner surface. Description ''Dinochelus ausubeli'' has a carapace length of around , and is in life mostly translucent white, with reddish pink colouring near the middle of the carapace, on the tail fan, on the antennae, and on the first pereiopods (including the claws). Its two claws are very different in size. Distribution and discovery ''D. ausubeli'' is only known from its type locality, , off the coast of Luzon in the Philippines. It was found by trawling at a depth of around in 2007, as part of the Census of Marine Life, a major effort to document marine life in the first decade of the 21st century. It was described in 2010 by an international team of scientists. Taxonomy The new species was placed in a sep ...
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