Overview

Comprehensive Description

Biology

A very common benthic bivalve mollusk of arctic seas
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Periostracum olive-yellowish or brown to dark brown, shiny; Inside - white, with some iridescence
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Distribution

Labrador to Florida; Greenland; Europe; Alaska to Baja California
  • North-West Atlantic Ocean species (NWARMS)
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Source: World Register of Marine Species

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Physical Description

Type Information

Paratype for Nucula leptodonta Bernard, 1983
Catalog Number: USNM 792402
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Dry
Collector(s): F. Bernard
Year Collected: 1963
Locality: Off Portland, Oregon, United States, North Pacific Ocean
Depth (m): 800 to 800
  • Paratype:
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Syntype for Nucula quirica Dall, 1916
Catalog Number: USNM 208727
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Dry
Collector(s): W. Dall
Locality: Cook Inlet, Alaska, United States, Chugachik Bay, North Pacific Ocean
Depth (m): 110 to 110
  • Syntype: Checklist Of The Southwest Museum. p. 9.
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Ecology

Habitat

bathyal, infralittoral and circalittoral of the Gulf and estuary
  • North-West Atlantic Ocean species (NWARMS)
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Depth range based on 125 specimens in 1 taxon.
Water temperature and chemistry ranges based on 34 samples.

Environmental ranges
  Depth range (m): 7 - 325
  Temperature range (°C): -0.262 - 3.587
  Nitrate (umol/L): 1.146 - 2.191
  Salinity (PPS): 27.165 - 29.197
  Oxygen (ml/l): 7.160 - 7.573
  Phosphate (umol/l): 0.057 - 0.113
  Silicate (umol/l): 6.395 - 11.872

Graphical representation

Depth range (m): 7 - 325

Temperature range (°C): -0.262 - 3.587

Nitrate (umol/L): 1.146 - 2.191

Salinity (PPS): 27.165 - 29.197

Oxygen (ml/l): 7.160 - 7.573

Phosphate (umol/l): 0.057 - 0.113

Silicate (umol/l): 6.395 - 11.872
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth range based on 975 specimens in 1 taxon.
Water temperature and chemistry ranges based on 435 samples.

Environmental ranges
  Depth range (m): 0 - 3844
  Temperature range (°C): -1.617 - 17.205
  Nitrate (umol/L): 1.034 - 43.389
  Salinity (PPS): 27.839 - 35.274
  Oxygen (ml/l): 0.367 - 8.441
  Phosphate (umol/l): 0.314 - 3.284
  Silicate (umol/l): 1.861 - 108.790

Graphical representation

Depth range (m): 0 - 3844

Temperature range (°C): -1.617 - 17.205

Nitrate (umol/L): 1.034 - 43.389

Salinity (PPS): 27.839 - 35.274

Oxygen (ml/l): 0.367 - 8.441

Phosphate (umol/l): 0.314 - 3.284

Silicate (umol/l): 1.861 - 108.790
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Infaunal. On different types of sediments from silty sand to silt, often with gravel or stones. Rare on sand; Sublitoral-bathyal; Widespread boreal-arctic
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Trophic Strategy

Detritus feeder
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Life History and Behavior

Life Cycle

Mucous egg capsules on the surface of sediments; Sex ratio 1:1
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Ennucula tenuis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 31
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data: Ennucula tenuis

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There are 4 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.

ATTGGTACTATATACCTTTTATTTGGTGTTTGATCCGGACTTGTCGGAACTTCACTA---AGATTACTAATCCGAGCAGAATTGGGCCAACCCGGGAGACTACTGGGGGAC---GATCAACTATATAACGTAATCGTTACAGCACATGCCTTTATTATAATTTTTTTTATAGTAATGCCAATAATAATTGGCGGGTTTGGAAACTGGCTAATCCCTCTATTA---CTTGGAGCCCCAGACATAGCATTCCCACGGCTTAACAATATAAGCTTCTGGTTACTACCACCATCCCTAATCTTATTACTCTCATCTGCAGCGGTAGAAAGAGGAGTGGGGACAGGCTGAACAGTCTATCCGCCTCTCTCAAGAACTCTAGCCCATAGAGGGCCCTCTGTAGACCTG---GCAATTTTCTCCCTTCATTTAGCTGGTGCGTCTTCAATTTTAGCCTCCGTTAATTTTATTACTACTGTAATTAACATACGAGTAAAGGGGATGCTATGAGAACGAGTGCCATTATTCGTATGATCGGTAACAATCACAGCAGTACTCCTACTTCTATCTCTCCCAGTACTAGCCGGA---GCTATCACTATACTATTAACGGATCGAAACTTTAATACCTCCTTTTTCGACCCTGCTGGAGGGGGAGACCCAGTATTATTCCAGCATTTATTTTGATTT
-- end --

Download FASTA File
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Wikipedia

Nucula tenuis

Nucula tenuis, or the smooth nut clam, is a marine bivalve mollusc in the family Nuculidae. It can be found along the Atlantic coast of North America, ranging from Labrador to Maryland.[1]

References

  1. ^ Abbott, R.T. & Morris, P.A. A Field Guide to Shells: Altantic and Gulf Coasts and the West Indies. New York: Houghton Mifflin, 1995. 3.
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