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Adults are typically {{convert|30|-|50|mm|abbr=on}} long, although individuals up to {{convert|90|mm|abbr=on}} have been recorded.<ref name="ARKive">{{cite web |url=http://www.arkive.org/species/ARK/invertebrates_marine/Crangon_crangon/ |title=''Crangon crangon'' |publisher=[[ARKive]] |accessdate=June 24, 2011 |archive-url=https://web.archive.org/web/20080517033109/http://www.arkive.org/species/ARK/invertebrates_marine/Crangon_crangon/ |archive-date=2008-05-17 |url-status=dead }}</ref> The animals have [[cryptic colouration]], being a sandy brown colour, which can be changed to match the environment.<ref name="ARKive"/> They live in shallow water, which can also be slightly [[Brackish water|brackish]], and feed nocturnally.<ref name="ARKive"/> During the day, they remain buried in the sand to escape predatory birds and fish, with only their [[antenna (biology)|antennae]] protruding. |
Adults are typically {{convert|30|-|50|mm|abbr=on}} long, although individuals up to {{convert|90|mm|abbr=on}} have been recorded.<ref name="ARKive">{{cite web |url=http://www.arkive.org/species/ARK/invertebrates_marine/Crangon_crangon/ |title=''Crangon crangon'' |publisher=[[ARKive]] |accessdate=June 24, 2011 |archive-url=https://web.archive.org/web/20080517033109/http://www.arkive.org/species/ARK/invertebrates_marine/Crangon_crangon/ |archive-date=2008-05-17 |url-status=dead }}</ref> The animals have [[cryptic colouration]], being a sandy brown colour, which can be changed to match the environment.<ref name="ARKive"/> They live in shallow water, which can also be slightly [[Brackish water|brackish]], and feed nocturnally.<ref name="ARKive"/> During the day, they remain buried in the sand to escape predatory birds and fish, with only their [[antenna (biology)|antennae]] protruding. |
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''Crangon'' is classified in the family [[Crangonidae]], and shares the family's characteristic subchelate first [[pereiopod]]s (where the movable finger closes onto a short projection, rather than a similarly sized fixed finger) and short [[rostrum (anatomy)|rostrum]].<ref>{{cite journal |author=Joana Campos |author2=Cláudia Moreira |author3=Fabiana Freitas |author4=Henk W. van der Veer | |
''Crangon'' is classified in the family [[Crangonidae]], and shares the family's characteristic subchelate first [[pereiopod]]s (where the movable finger closes onto a short projection, rather than a similarly sized fixed finger) and short [[rostrum (anatomy)|rostrum]].<ref>{{cite journal |author=Joana Campos |author2=Cláudia Moreira |author3=Fabiana Freitas |author4=Henk W. van der Veer |name-list-style=amp |year=2012 |title=Short review of the eco-geography of ''Crangon'' |journal=[[Journal of Crustacean Biology]] |volume=32 |issue=2 |pages=159–169 |doi=10.1163/193724011X615569|doi-access=free }}</ref> |
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==Distribution and ecology== |
==Distribution and ecology== |
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''C. crangon'' has a wide [[range (biology)|range]], extending across the northeastern [[Atlantic Ocean]] from the [[White Sea]] in the north of [[Russia]] to the coast of [[Morocco]], including the [[Baltic Sea]], as well as occurring throughout the [[Mediterranean Sea|Mediterranean]] and [[Black Sea]]s.<ref>{{cite journal |author=Joana Campos |author2=Vânia Freitas |author3=Cindy Pedros |author4=Rita Guillot |author5=Henk W. van der Veer | |
''C. crangon'' has a wide [[range (biology)|range]], extending across the northeastern [[Atlantic Ocean]] from the [[White Sea]] in the north of [[Russia]] to the coast of [[Morocco]], including the [[Baltic Sea]], as well as occurring throughout the [[Mediterranean Sea|Mediterranean]] and [[Black Sea]]s.<ref>{{cite journal |author=Joana Campos |author2=Vânia Freitas |author3=Cindy Pedros |author4=Rita Guillot |author5=Henk W. van der Veer |name-list-style=amp |year=2009 |title=Latitudinal variation in growth of ''Crangon crangon'' (L.): does counter-gradient growth compensation occur? |journal=[[Journal of Sea Research]] |volume=62 |issue=4 |pages=229–237 |doi=10.1016/j.seares.2009.04.002|bibcode=2009JSR....62..229C }}</ref> Despite its wide range, however, little [[gene flow]] occurs across certain natural barriers, such as the [[Strait of Gibraltar]] or the [[Bosphorus]].<ref name="Luttikhuizen">{{cite journal |author=Pieternella C. Luttikhuizen |author2=Joana Campos |author3=Judith van Bleijswijk |author4=Katja T.C.A. Peijnenburg |author5=Henk W. van der Veer |name-list-style=amp |year=2008 |title=Phylogeography of the common shrimp, ''Crangon crangon'' (L.) across its distribution range |journal=[[Molecular Phylogenetics and Evolution]] |volume=46 |issue=3 |pages=1015–1030 |doi=10.1016/j.ympev.2007.11.011 |pmid=18207428}}</ref> The populations in the western Mediterranean Sea are thought to be the oldest, with the species' spread across the north Atlantic thought to postdate the [[Pleistocene]].<ref name="Luttikhuizen"/> |
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Adults live epibenthically (on or near the sea-floor) especially in the shallow waters of estuaries or near the coast.<ref name="Campos_etal_09">{{cite journal |author=Joana Campos |author2=Cindy Pedrosa |author3=Joana Rodrigues |author4=Sílvia Santos |author5=Johanses I. J. Witte |author6=Paulo Santos |author7=Henk W. van der Veer | |
Adults live epibenthically (on or near the sea-floor) especially in the shallow waters of estuaries or near the coast.<ref name="Campos_etal_09">{{cite journal |author=Joana Campos |author2=Cindy Pedrosa |author3=Joana Rodrigues |author4=Sílvia Santos |author5=Johanses I. J. Witte |author6=Paulo Santos |author7=Henk W. van der Veer |name-list-style=amp |year=2009 |title=Population zoogeography of brown shrimp ''Crangon crangon'' along its distributional range based on morphometric characters |journal=[[Journal of the Marine Biological Association of the United Kingdom]] |volume=89 |issue=3 |pages=499–507 |doi=10.1017/S0025315408002312}}</ref> It is generally highly abundant, and has a significant effect on the ecosystems where it lives.<ref name="Campos_etal_09"/> |
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==Lifecycle== |
==Lifecycle== |
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Females reach [[sexual maturity]] at a length around {{convert|22|-|43|mm|abbr=on}}, while males are mature at {{convert|30|-|45|mm|abbr=on}}.<ref name="Campos_Veer">{{cite book |author=Joana Campos |author2=Henk W. van der Veer | |
Females reach [[sexual maturity]] at a length around {{convert|22|-|43|mm|abbr=on}}, while males are mature at {{convert|30|-|45|mm|abbr=on}}.<ref name="Campos_Veer">{{cite book |author=Joana Campos |author2=Henk W. van der Veer |name-list-style=amp |title=Autecology of ''Crangon crangon'' (L.) with an emphasis on latitudinal trends |journal=Oceanography and Marine Biology: An Annual Review |volume=46 |editor1=R. N. Gibson |editor2=R. J. A. Atkinson |editor3=J. D. M. Gordon |publisher=[[CRC Press]] |year=2008 |pages=65–104 |isbn= 978-1-4200-6575-6 |doi=10.1201/9781420065756.ch3}}</ref> The young hatch from their eggs into [[plankton]]ic [[crustacean larvae|larvae]]. These pass through five [[ecdysis|moults]] before reaching the postlarval stage, when they settle to the sea-floor.<ref name="Campos_Veer"/> |
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==Fishery== |
==Fishery== |
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{{Wikispecies|Crangon crangon|''Crangon crangon''}} |
{{Wikispecies|Crangon crangon|''Crangon crangon''}} |
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* {{cite thesis |author=Joana Costa Vilhena de Bessa Campos |year=2009 |title=The eco-geography of the brown shrimp ''Crangon crangon'' in Europe |degree=[[Doctor of Philosophy|Ph.D.]] |publisher=[[Vrije Universiteit Amsterdam]] |isbn=978-90-865-9350-7 |url=http://dare.ubvu.vu.nl/handle/1871/16129}} |
* {{cite thesis |author=Joana Costa Vilhena de Bessa Campos |year=2009 |title=The eco-geography of the brown shrimp ''Crangon crangon'' in Europe |degree=[[Doctor of Philosophy|Ph.D.]] |publisher=[[Vrije Universiteit Amsterdam]] |isbn=978-90-865-9350-7 |url=http://dare.ubvu.vu.nl/handle/1871/16129}} |
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* {{ |
* {{SealifePhotos|107552}} |
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{{Edible crustaceans}} |
{{Edible crustaceans}} |
Crangon crangon | |
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![]() | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Malacostraca |
Order: | Decapoda |
Suborder: | Pleocyemata |
Infraorder: | Caridea |
Family: | Crangonidae |
Genus: | Crangon |
Species: |
C. crangon
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Binomial name | |
Crangon crangon | |
Synonyms [1] | |
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Crangon crangon is a commercially important species of caridean shrimp fished mainly in the southern North Sea, although also found in the Irish Sea, Baltic Sea, Mediterranean Sea, and Black Sea, as well as off much of Scandinavia and parts of Morocco's Atlantic coast.[1] Its common names include brown shrimp, common shrimp, bay shrimp, and sand shrimp, while translation of its French name crevette grise (or its Dutch equivalent grijze garnaal) sometimes leads to the English version grey shrimp.
Adults are typically 30–50 mm (1.2–2.0 in) long, although individuals up to 90 mm (3.5 in) have been recorded.[2] The animals have cryptic colouration, being a sandy brown colour, which can be changed to match the environment.[2] They live in shallow water, which can also be slightly brackish, and feed nocturnally.[2] During the day, they remain buried in the sand to escape predatory birds and fish, with only their antennae protruding.
Crangon is classified in the family Crangonidae, and shares the family's characteristic subchelate first pereiopods (where the movable finger closes onto a short projection, rather than a similarly sized fixed finger) and short rostrum.[3]
C. crangon has a wide range, extending across the northeastern Atlantic Ocean from the White Sea in the north of Russia to the coast of Morocco, including the Baltic Sea, as well as occurring throughout the Mediterranean and Black Seas.[4] Despite its wide range, however, little gene flow occurs across certain natural barriers, such as the Strait of Gibraltar or the Bosphorus.[5] The populations in the western Mediterranean Sea are thought to be the oldest, with the species' spread across the north Atlantic thought to postdate the Pleistocene.[5]
Adults live epibenthically (on or near the sea-floor) especially in the shallow waters of estuaries or near the coast.[6] It is generally highly abundant, and has a significant effect on the ecosystems where it lives.[6]
Females reach sexual maturity at a length around 22–43 mm (0.87–1.69 in), while males are mature at 30–45 mm (1.2–1.8 in).[7] The young hatch from their eggs into planktonic larvae. These pass through five moults before reaching the postlarval stage, when they settle to the sea-floor.[7]
Historically, the commercial fishery was accomplished on horseback on both sides of the Dover straits.[9]
Over 37,000 t of C. crangon were caught in 1999, with Germany and the Netherlands taking over 80% of this total.[1]
The brown shrimp enjoys great popularity in Belgium, the Netherlands, northern Germany, and Denmark.
Shrimp in general are known as garnaleninDutch. It is the basis of the dish tomate-crevettes, where the shrimp are mixed with mayonnaise and served in a hollowed-out uncooked tomato. The shrimp croquette is another Belgian speciality; the shrimp are in the interior of the battered croquette along with béchamel sauce. Freshly cooked, unpeeled brown shrimp are often served as a snack accompanying beer, typically a sour ale or Flemish red such as Rodenbach.[10]
InLancashire, England, the brown shrimp is mixed with butter to make potted shrimps, a dish traditionally eaten with bread.[11]
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