Physical Description

Type Information

Paratype for Corophium sextonae Crawford
Catalog Number: USNM 213332
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Alcohol (Ethanol)
Year Collected: 1934
Locality: Plymouth, England, United Kingdom, North Atlantic Ocean
  • Paratype:
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© Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology

Source: National Museum of Natural History Collections

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Ecology

Habitat

Depth range based on 190 specimens in 1 taxon.
Water temperature and chemistry ranges based on 5 samples.

Environmental ranges
  Depth range (m): 2.4 - 60.15
  Temperature range (°C): 10.558 - 19.359
  Nitrate (umol/L): 0.758 - 6.408
  Salinity (PPS): 34.409 - 35.594
  Oxygen (ml/l): 5.295 - 6.313
  Phosphate (umol/l): 0.211 - 0.441
  Silicate (umol/l): 1.052 - 2.954

Graphical representation

Depth range (m): 2.4 - 60.15

Temperature range (°C): 10.558 - 19.359

Nitrate (umol/L): 0.758 - 6.408

Salinity (PPS): 34.409 - 35.594

Oxygen (ml/l): 5.295 - 6.313

Phosphate (umol/l): 0.211 - 0.441

Silicate (umol/l): 1.052 - 2.954
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Migration

Alien species

Het oorsprongsgebied van Sexton’s slijkgarnaal Monocorophium sextonae is ongekend. Het is trouwens niet zeker of het een niet-inheemse soort is in Europa. Mogelijk was de soort hier altijd al aanwezig, maar werd hij nooit opgemerkt. Dit vlokreeftje wordt bijgevolg door velen getypeerd als cryptogeen. De soort werd voor het eerst aangetroffen in stalen die tijdens de zomer van 1993 langs de Belgische westkust genomen werden. Sexton’s slijkgarnaal wordt gerapporteerd in de haven van Zeebrugge, in het Schelde-estuarium en op scheepswrakken voor de Belgische kust. Het is een soort die leeft in zachte sedimenten, op andere organismen zoals wieren en sponzen en op artificiële substraten en dit vanaf het intergetijdengebied tot op een diepte van 50 meter.
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Source: World Register of Marine Species

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Alien species

The origin of the amphipod Monocorophium sextonae is unknown. Actually it is not even certain whether it's an alien species in Europe, or not. Possibly, it has always been present, but was never noticed. Therefore, the amphipod is considered by many as cryptogenic. The species was first recorded in Belgium in the summer of 1993, in samples taken along the west coast. The amphipod was reported in the harbour of Zeebrugge, in the Scheldt estuary and on shipwrecks in front of the Belgian coast. The species lives in soft sediment, on top of other organisms such as algae and sponges and on artificial substrates, from the intertidal zone to a depth of 50 meters.
  • VLIZ Alien Species Consortium
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Source: World Register of Marine Species

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Evolution and Systematics

Evolution

Classification

In the Dutch literature the speciesname Corophium sextonae or Corophium sextoni is always used in stead of Monocorophium sextonae .
  • Faasse, M.; Van Moorsel, G. (2000). Nieuwe en minder bekende vlokreeftjes van sublitorale harde bodems in het Deltagebied (Crustacea: Amphipoda: Gammaridea) [New and lesser-known amphipods of hard substrates in the Delta area of the Netherlands (Crustacea: Amphipoda: Gammaridea)]. Ned. Faunist. Meded. 11: 19-44
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Source: World Register of Marine Species

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Monocorophium sextonae

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 5
Species With Barcodes: 1
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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