Overview

Comprehensive Description

Biology

Found on rocky bottoms among algae (Ref. 4698). Benthic (Ref. 58426). Feeds on small benthic amphipods (Ref. 4698).
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Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Arctic Ocean: to James Bay and Straits of Belle Isle in Canada and Greenland
  • North-West Atlantic Ocean species (NWARMS)
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Arctic: to James Bay and Straits of Belle Isle in Canada and Greenland.
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Arctic and western North Atlantic: eastern Siberian and Chukchi seas to northern Bering Sea, Beaufort Sea to Greenland and Gulf of St. Lawrence.
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Physical Description

Morphology

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 14 - 17; Analspines: 0; Analsoft rays: 11 - 13
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Size

Maximum size: 220 mm TL
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Max. size

22.0 cm TL (male/unsexed; (Ref. 7251))
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Diagnostic Description

Caudal fin rounded. Upper parts blackish-brown (paler in females), flanks with dark cross-bands (fainter in males, which have dark bordered white or silvery irregular spots under pectoral fins and above anal fin); breast and belly with dark spots in males and broad white band on reddish orange from pelvic base to anus; lower lip spotted in males (dark in females); pelvic fins with 2-3 dark cross-bands; pectoral rays blackish-brown in males, the membrane with 4-5 transverse rows of translucent spots (some light bands in females); white blotches or stripes on dorsal and anal fins (Ref. 4698).
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Type Information

Type for Boreocottus axillaris
Catalog Number: USNM 24027
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): W. Stimpson
Locality: Awatska Bay, Kamtchatka, Russia, Pacific
  • Type:
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Ecology

Habitat

Habitat Type: Marine

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benthic
  • North-West Atlantic Ocean species (NWARMS)
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Found on rocky bottoms among algae.
  • North-West Atlantic Ocean species (NWARMS)
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Environment

demersal; brackish; marine; depth range 0 - 275 m (Ref. 58426)
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Depth range based on 90 specimens in 1 taxon.
Water temperature and chemistry ranges based on 48 samples.

Environmental ranges
  Depth range (m): 0.15 - 70.1
  Temperature range (°C): -0.412 - 10.817
  Nitrate (umol/L): 1.854 - 9.181
  Salinity (PPS): 25.473 - 34.868
  Oxygen (ml/l): 6.017 - 9.002
  Phosphate (umol/l): 0.389 - 1.549
  Silicate (umol/l): 2.007 - 28.345

Graphical representation

Depth range (m): 0.15 - 70.1

Temperature range (°C): -0.412 - 10.817

Nitrate (umol/L): 1.854 - 9.181

Salinity (PPS): 25.473 - 34.868

Oxygen (ml/l): 6.017 - 9.002

Phosphate (umol/l): 0.389 - 1.549

Silicate (umol/l): 2.007 - 28.345
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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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

Found on rocky bottoms among algae (Ref. 4698). Benthic (Ref. 58426). Feeds on small benthic amphipods (Ref. 4698). It is preyed upon by black guillemot. Parasite of the species is known to be a copepod (Haemobaphes cyclopterina) found on gills (Ref. 5951).
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Life History and Behavior

Behavior

Diet

Feeds on small benthic amphipods
  • North-West Atlantic Ocean species (NWARMS)
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Myoxocephalus cf. scorpioides

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 3
Species With Barcodes: 1
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Statistics of barcoding coverage: Myoxocephalus scorpioides

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 18
Specimens with Barcodes: 22
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N5 - 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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Wikipedia

Myoxocephalus scorpioides

Myoxocephalus scorpioides or the arctic sculpin is a predatory[2] species of sculpin in the family Cottidae.[3] The species is native to the Arctic Ocean around Canada and Greenland, specifically in James Bay and the Strait of Belle Isle.[4][5] It has the ability to synthesize antifreeze proteins, allowing it to withstand temperatures as low as -2°C.[2] It serves as the host for Haemobaphes cyclopterina, a parasitic species of copepod.[6]

References[edit]

  1. ^ "Myoxocephalus scorpioides (Fabricius, 1780)". GBIF.org. Retrieved 10 May 2014. 
  2. ^ a b "Arctic Sculpin, Myoxocephalus scorpioides". Canada's Polar Life. Retrieved 10 May 2014. 
  3. ^ "Myoxocephalus scorpioides (Fabricius, 1780)". ITIS. Retrieved 10 May 2014. 
  4. ^ Froese, Rainer. "Myoxocephalus scorpioides, Arctic sculpin". FishBase. Retrieved 10 May 2014. 
  5. ^ J.-C. Hureau. "Northern sculpin (Myoxocephalus scorpioides)". Marine Species Identification Portal. Retrieved 10 May 2014. 
  6. ^ van der Land, Jacob (December 21, 2004). "Myoxocephalus scorpioides (Fabricius, 1780)". WoRMS. Retrieved 10 May 2014. 
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