Rhithropanopeus harrisii ssp. tridentatus (Buitendijk and Holtuis 1949)
IUCN
NCBI
EOL Text
Brackish water species.
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North-east American, brackish water, species introduced into south Baltic, Dutch and other European estuaries, and particularly docks warmed by power station effluents, e.g. Swansea and Southampton.
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Miramichi estuary, New Brunswick to Gulf of Mexico
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infralittoral of the Gulf and estuary
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Depth range based on 255 specimens in 1 taxon.
Water temperature and chemistry ranges based on 41 samples.
Environmental ranges
Depth range (m): -99 - 42.7
Temperature range (°C): 10.067 - 24.436
Nitrate (umol/L): 0.457 - 16.868
Salinity (PPS): 31.982 - 36.080
Oxygen (ml/l): 4.807 - 6.636
Phosphate (umol/l): 0.100 - 0.890
Silicate (umol/l): 0.805 - 11.419
Graphical representation
Depth range (m): -99 - 42.7
Temperature range (°C): 10.067 - 24.436
Nitrate (umol/L): 0.457 - 16.868
Salinity (PPS): 31.982 - 36.080
Oxygen (ml/l): 4.807 - 6.636
Phosphate (umol/l): 0.100 - 0.890
Silicate (umol/l): 0.805 - 11.419
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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| Source | http://www.iobis.org/mapper/?taxon_id=503820 |
Het Zuiderzeekrabbetje Rhithropanopeus harrisii kwam oorspronkelijk enkel voor langs de Amerikaanse oostkust maar kwam naar Europa via transport met schepen. De eerste Europese waarnemingen dateren al van 1874 uit Nederland, toen er nog amper sprake was van het gebruik van ballastwater. In 1991 werd er voor het eerst een levend exemplaar van het Zuiderzeekrabbetje in België waargenomen, meerbepaald in de Zeeschelde nabij Antwerpen. Het Zuiderzeekrabbetje is een typische soort voor zoete en brakke wateren en voelt zich dan ook thuis in onze riviermondingen. Het is een predator van allerlei ongewervelden.
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The dwarf crab or Zuiderzee crab Rhithropanopeus harrisii originally only occurred along the east coast of America, but came to Europe through ship transport. The first European observations date from 1874, in the Netherlands. In Belgium, the first living specimens of the dwarf crab were encountered in 1991, in the Sea Scheldt near Antwerp. This crab is a typical species for fresh and brackish waters and is comfortable in estuaries. It is a predator of several types of invertebrates.
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The following is a representative barcode sequence, the centroid of all available sequences for this species.
There are 183 barcode sequences available from BOLD and GenBank.
Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.
See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
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Barcode of Life Data Systems (BOLDS) Stats
Public Records: 184
Specimens with Barcodes: 187
Species With Barcodes: 1
Rhithropanopeus harrisii (common names include the Zuiderzee crab,[2]dwarf crab,[2]estuarine mud crab,[3]Harris mud crab,[3] and white-tipped mud crab), is a small omnivorous crab native to Atlantic coasts of the Americas, from New Brunswick to northern Brazil.[2]
R. harrisii is usually found in brackish water, but can also be found in freshwater. It likes to live on stones and in oyster beds. The crab can reach a maximum size of 20 millimetres (0.8 in). It has an olive-green-brownish color, sometimes with dark spots on its carapace.
It is a common inhabitant of Texas and Florida estuaries, but was later introduced all over the world.[3] In 1937, it was discovered to be invading the San Francisco Bay's brackish waters and adjacent fresh waters of the California Central Valley.[3] It was also recently discovered in the Third Lock Lake in Panama, a man-made lake intended to be a part of the Panama Canal.[4]
R. harrisii was first discovered in Europe in the Zuider Zee, the Netherlands, and is now also found in Denmark, Belgium, Germany, France, Poland, Russia, Romania and Bulgaria, from the Black Sea and Caspian Sea.[2] In the British Isles, R. harrisii has only been observed in Roath Docks, Cardiff, which have lower salinity (12‰) than the surrounding waters.
Breeding freshwater populations have been found in the Brazos River basin in Texas, notably the Possum Kingdom State Park and Lake Granbury. Populations have also been discovered in Lake Texoma.[5]
References[edit]
- ^ a b P. K. L. Ng, D. Guinot & P. J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world". Raffles Bulletin of Zoology 17: 1–286.
- ^ a b c d Dr C. Mettam & P. F. Clark. "Rhithropanopeus harrisii". Joint Nature Conservation Committee. Retrieved December 10, 2009.
- ^ a b c d Harriet Perry (April 24, 2006). "Rhithropanopeus harrisii (Gould, 1841)".
- ^ Dominique G. Roche & Mark E. Torchin (2007). "Established population of the North American Harris mud crab, Rhithropanopeus harrisii (Gould 1841) (Crustacea: Brachyura: Xanthidae) in the Panama Canal". Aquatic Invasions 2 (3): 155–161. doi:10.3391/ai.2007.2.3.1.
- ^ Terrence Boyle, Jr., Donald Keith & Russell Pfau (2010). "Occurrence, reproduction, and population genetics of the estuarine mud crab, Rhithropanopeus harrisii (Gould) (Decapoda, Panopidae) in Texas freshwater reservoirs". Crustaceana 83 (4): 493–505. doi:10.1163/001121610X492148.
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