Overview

Comprehensive Description

Biology

Inhabits stony bottoms (Ref. 4701). Benthic species. Feeds on crustaceans, oikopleura and fishes (Ref. 58426).
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Distribution

Canadian Arctic to Hudson Bay and Maine
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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Arctic, Northwest to Northeast Atlantic: Barents Sea to Franz Josef Land, Spitzbergen, Greenland, and south along North American coast to Massachusetts (Ref. 48811); including Iceland and Norway (Ref. 4701); Canadian Arctic to Hudson Bay in Canada (Ref. 7251).
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Arctic and North Atlantic: Barents Sea to Franz Josef Land, Spitsbergen, Greenland, and south along North American coast to Massachusetts, U.S.A.
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Canadian Arctic to Hudson Bay in Canada and to Maine in USA. Barents Sea, Franz Josef Land, Spitzbergen, Iceland, Norway and eastern Greenland.
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Source: Gulf of Maine Area Census of Marine Life

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Physical Description

Size

Maximum size: 130 mm TL
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Max. size

13.2 cm NG (male/unsexed; (Ref. 58426))
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to 13 cm TL (male/unsexed).
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Ecology

Habitat

benthic
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Found in cool waters at depths of 60- 930 m over mud, gravelly or rocky bottoms.
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Environment

demersal; marine; depth range 30 - 400 m (Ref. 58496), usually 60 - 200 m (Ref. 4701)
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Habitat Type: Marine

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Depth range based on 2016 specimens in 1 taxon.
Water temperature and chemistry ranges based on 1678 samples.

Environmental ranges
  Depth range (m): 0.23 - 678
  Temperature range (°C): -2.072 - 8.639
  Nitrate (umol/L): 1.417 - 20.460
  Salinity (PPS): 30.660 - 34.924
  Oxygen (ml/l): 3.873 - 8.766
  Phosphate (umol/l): 0.435 - 1.638
  Silicate (umol/l): 1.599 - 24.345

Graphical representation

Depth range (m): 0.23 - 678

Temperature range (°C): -2.072 - 8.639

Nitrate (umol/L): 1.417 - 20.460

Salinity (PPS): 30.660 - 34.924

Oxygen (ml/l): 3.873 - 8.766

Phosphate (umol/l): 0.435 - 1.638

Silicate (umol/l): 1.599 - 24.345
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 60 - 930m.
From 60 to 930 meters.

Habitat: demersal.
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Demersal; marine; depth range 60 - 930 m. Prefers stony bottoms.
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Migration

Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: No. No populations of this species make annual migrations of over 200 km.

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Trophic Strategy

Inhabits stony bottoms (Ref. 4701). Benthic. Feeds on amphipods, crustaceans, oikopleura and fishes (Ref. 4701, 58426). It is preyed upon by Atlantic cod and thick-billed murres (Ref. 5951). Common in the waters around Svalbard, but very little detailed knowledge exists regarding its life history, feeding and reproductive biology. A demersal and slow moving fish (Wiener-roither et al. 2011; pers. obs.), feeds on pelagic and hyperbenthic invertebrates such as krill and amphipods, but also polychaetes and larval stages of fish (Hutchings 2002; Roshchin 2006). Spawning has been reported to occur in August-September (Andriashev 1954; Wienerroither et al. 2011), although other reports indicate that it may be extended to January/February (Hutchings 2002). Furthermore, eggs have been observed attached to rocks (Wienerroither et al. 2011) (Ref.94970 )
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Amphipods.
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Life History and Behavior

Behavior

Diet

Feeds on amphipods
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Reproduction

Probable early autumn spawner, on hard bottoms in waters 20-30 m deep.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Eumicrotremus spinosus

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


There are 8 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.

ACCCTTTATCTAGTATTTGGTGCTTGAGCCGGGATGGTGGGAACGGGCCTA---AGCCTTTTAATTCGGGCCGAGCTAAGCCAACCCGGGGCCCTCTTGGGCGAC---GACCAAATTTACAATGTAATTGTCACGGCGCATGCCTTCGTAATAATTTTCTTTATAGTAATACCAATCATAATCGGGGGGTTTGGAAACTGACTCATCCCTCTAATG---ATCGGCGCCCCTGACATGGCATTCCCTCGAATAAACAACATGAGTTTTTGACTTCTGCCCCCTTCTTTCCTTCTACTTCTTGCCTCTTCAGGCGTAGAAGCAGGGGCCGGGACCGGGTGAACCGTATACCCCCCGCTAGCAGGCAACCTGGCACACGCCGGGGCCTCTGTTGACTTA---ACAATCTTTTCCTTACATCTTGCAGGAATCTCTTCAATCCTTGGGGCAATTAATTTTATCACAACTATCATCAACATGAAGCCCCCCGCTATGTCTCAGTACCAGACTCCCCTTTTCGTGTGATCTGTACTTATTACTGCCGTTCTCCTCCTTCTCTCCCTCCCCGTCCTTGCTGCT---GGCATCACAATACTCCTAACAGACCGCAATCTCAACACTACCTTCTTTGACCCCGCAGGGGGCGGAGACCCTATTCTCTACCAACACCTC
-- end --

Download FASTA File

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Statistics of barcoding coverage: Eumicrotremus spinosus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 21
Specimens with Barcodes: 26
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N4 - Apparently Secure

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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Threats

Not Evaluated
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Names and Taxonomy

Taxonomy

Comments: The taxonomic authority is sometimes listed as (Müller, 1777), but this is a mistake (Nelson et al. 2004).

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