Overview

Brief Summary

Introduction

Eunoe nodosa is a epi-benthic species of polychaete worm showing the typical elliptical body shape of this family (Polynoidae).Eunoe nodosa can be found on marine sediments from the sub-littoral zone to 1,260 meters of water.One of 2,170 polychaete type specimens photographed as part of a project to make the Museum's polychaete type collections more accessible.
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Comprehensive Description

Biology

Associations
Porifera and bryozoa have been recorded on chaetae and elytra.The herpyllobiid copepod Herpyllobius polynoes has been found attached dorsally to the prostomium (the rear of the head).
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Distribution

Gulf of St. Lawrence (unspecified region), northern Gaspe waters, downstream part of middle St. Lawrence estuary, southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: eastern Bradelle Valley), Laurentian Channel (bathyal zone)(=Honguedo Strait), lower North Shore and South slope of Anticosti Island; Cobscook Bay
  • 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 Polynoe nodosa Treadwell, 1901
Catalog Number: USNM 16013
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Alcohol (Ethanol)
Year Collected: 1899
Locality: Off St. Thomas, Virgin Islands of the United States, Caribbean Sea, North Atlantic Ocean
Depth (m): 37 to 42
Vessel: Fish Hawk R/V
  • Paratype:
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Type for Polynoe nodosa Treadwell, 1901
Catalog Number: USNM 16014
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Alcohol (Ethanol)
Year Collected: 1898
Locality: Fajardo, Puerto Rico, Caribbean Sea, North Atlantic Ocean
Vessel: Fish Hawk R/V
  • Type:
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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 81 specimens in 1 taxon.
Water temperature and chemistry ranges based on 44 samples.

Environmental ranges
  Depth range (m): 0 - 271
  Temperature range (°C): -1.393 - 12.177
  Nitrate (umol/L): 1.146 - 12.125
  Salinity (PPS): 27.165 - 35.239
  Oxygen (ml/l): 4.958 - 7.930
  Phosphate (umol/l): 0.057 - 1.206
  Silicate (umol/l): 2.349 - 20.076

Graphical representation

Depth range (m): 0 - 271

Temperature range (°C): -1.393 - 12.177

Nitrate (umol/L): 1.146 - 12.125

Salinity (PPS): 27.165 - 35.239

Oxygen (ml/l): 4.958 - 7.930

Phosphate (umol/l): 0.057 - 1.206

Silicate (umol/l): 2.349 - 20.076
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Conservation

Management

Curation project

Polychaete 'type' collection
The National polychaete collection is held at the Museum and holds 2,170 polychaete 'type' specimens. A 'type' specimen is an individual which holds the species name, with all future specimens referring back to the type description.Each specimen is given a reference number when it is placed in the national collection. For example the reference number for the E. nodosa type specimen shown here is 1865.3.9.34

Photography of the polychaete 'type' collection
Many of our polychaete type specimens are now very old, for example over 20% are from the 1800s, a large number of these are Challenger expedition material.To improve accessibility to the polychaete type collection the museum has started a project to photograph the entire collection and make it available online. 10% of the project has been completed and we hope to have the complete polychaete collection available online in 5 years time.The project will enable
  • researchers to
    • access images on demand through our KE EMu database
    • inspect the specimens
    • assess whether borrowing the material is appropriate or necessary
  • members of the public to
    • access our wet collections (formalin or alcohol preserved)
    • the public cannot normally access this material.
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