Overview
Brief Summary
Neanthes virens, also known as clam worm, is an annelid worm that burrows in wet sand and mud. It is classified as a polychaete in the family Nereididae. Sandworms make up a large part of the live sea-bait industry and have many distinctive traits, including often reaching great length, sometimes exceeding four feet; numerous, highly vascularized parapodia along both sides of their bodies; blue heads with two large pincer teeth.
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Distribution
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Wittoeck, Jan
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=79
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Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
http://www.marinespecies.org/porifera/porifera.php?p=sourcedetails&id=145245
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MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.
http://www.marinespecies.org/asteroidea/aphia.php?p=sourcedetails&id=149081
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Préfontaine, G. & P. Brunel. 1962. Liste d'invertébrés marins recueillis dans l'estuaire du Saint-Laurent de 1929 à 1934. Naturaliste Canadien, Quebec 89(8-9):237-263, fig. 1.
http://www.marinespecies.org/ascidiacea/aphia.php?p=sourcedetails&id=109070
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Miller, Roberta. 2012. The museum collection database, Fisheries and Oceans Canada digital collections, Maurice Lamontagne Institute, Quebec
http://www.marinespecies.org/asteroidea/aphia.php?p=sourcedetails&id=163928
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Physical Description
Type Information
Catalog Number: USNM 15709
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Alcohol (Ethanol)
Year Collected: 1900
Locality: Aleutian Islands, Rat Islands, Rat Island, Alaska, United States, Bering Sea, North Pacific Ocean
Depth (m): 494 to 494
Vessel: Albatross R/V
- Type:
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Ecology
Habitat
Water temperature and chemistry ranges based on 8 samples.
Environmental ranges
Depth range (m): -0.8 - 91
Temperature range (°C): 3.272 - 11.710
Nitrate (umol/L): 0.682 - 9.634
Salinity (PPS): 25.730 - 33.788
Oxygen (ml/l): 6.161 - 7.355
Phosphate (umol/l): 0.048 - 0.817
Silicate (umol/l): 2.362 - 6.938
Graphical representation
Depth range (m): -0.8 - 91
Temperature range (°C): 3.272 - 11.710
Nitrate (umol/L): 0.682 - 9.634
Salinity (PPS): 25.730 - 33.788
Oxygen (ml/l): 6.161 - 7.355
Phosphate (umol/l): 0.048 - 0.817
Silicate (umol/l): 2.362 - 6.938
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Associations
Known prey organisms
Corophium volutator
Nematoda
Phaephyceae
Enteromorpha
POM
brown algae
Based on studies in:
Scotland (Estuarine)
This list may not be complete but is based on published studies.
- Hall SJ, Raffaelli D (1991) Food-web patterns: lessons from a species-rich web. J Anim Ecol 60:823842
- Huxham M, Beany S, Raffaelli D (1996) Do parasites reduce the chances of triangulation in a real food web? Oikos 76:284300
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Known predators
Platichthys flesus
Based on studies in:
Scotland (Estuarine)
This list may not be complete but is based on published studies.
- Hall SJ, Raffaelli D (1991) Food-web patterns: lessons from a species-rich web. J Anim Ecol 60:823842
- Huxham M, Beany S, Raffaelli D (1996) Do parasites reduce the chances of triangulation in a real food web? Oikos 76:284300
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Molecular Biology and Genetics
Molecular Biology
Barcode data: Alitta virens
There are 44 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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Download FASTA File
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Statistics of barcoding coverage: Alitta virens
Public Records: 43
Specimens with Barcodes: 45
Species With Barcodes: 1
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Wikipedia
Alitta virens
Alitta virens (common names include sandworm and king ragworm; older scientific names including Nereis virens are still frequently used) is an annelid worm that burrows in wet sand and mud. It is classified as a polychaete in the family Nereididae .[1]
Sandworms make up a large part of the live sea-bait industry. To fulfill the needs of this industry, some sandworms are commercially grown.[2] "Sandworming", or the harvesting of sandworms from mudflats, employs over 1,000 people in Maine. As of 2006[update], the population of sandworms had diminished greatly over the preceding few years due in large part to overharvesting before the worms are able to reproduce by spawning.[citation needed]
Sandworms eat seaweed and microorganisms. They have many distinctive traits, including
- often reaching great length, sometimes exceeding four feet
- numerous, highly vascularized parapodia along both sides of their bodies
- blue heads with two large pincer teeth, said to occasionally bite humans[citation needed]
The parapodia function both as external gills (the animal's primary respiratory surfaces), and as means of locomotion (appearing much like short legs).[citation needed]
Gallery
References
- ^ a b c Kristian Fauchald & Chris Glasby (2009). "Alitta virens (M. Sars, 1835)". In Kristian Fauchald. World Polychaeta database. World Register of Marine Species. Retrieved January 19, 2010.
* indicates a heterotypic synonym - ^ De kweek van zagers op landbouwbedrijven in Zeeland
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