Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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North Pacific: Aleutian Islands to southwestern Gulf of Alaska and to northern Kuril Islands.
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North Pacific: northern Kuril Islands (Ref. 56594), Bering Sea and Aleutian Islands, Alaska.
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Physical Description

Size

Maximum size: 130 mm TL
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Max. size

26.0 cm TL (male/unsexed; (Ref. 56594)); max. published weight: 330 g (Ref. 56594); max. reported age: 9 years (Ref. 56594)
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Type Information

Cotype for Hemilepidotus zapus
Catalog Number: USNM 70881
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Year Collected: 1906
Locality: East Cape, Attu Island, S. 22 degrees W., 4 miles. (From Aguttu Island to Chichagof Harbor, Attu Island, via Semichi Islands, Aleutians)., Attu Island, Alaska, United States, Aleutian Islands, Bering Sea, Pacific
Depth (m): 104 to 108
Vessel: Albatross
  • Cotype:
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Cotype for Hemilepidotus zapus
Catalog Number: USNM 70867
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1906
Locality: Semisopochnoi Island, right tangent S. 59.5 degrees W., left tangent S. 37 degrees W. (On "Petrel Bank," Bering Sea)., Semisopochnoi Island, Alaska, United States, Aleutian Islands, Bering Sea, Pacific
Depth (m): 99 to 102
Vessel: Albatross
  • Cotype:
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Cotype for Hemilepidotus zapus
Catalog Number: USNM 70866
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1906
Locality: Semisopochnoi Island, right tangent S. 45 degrees W., left tangent S.12 degrees W., about 12 miles. (On "Petrel Bank," Bering Sea)., Semisopochnoi Island, Alaska, United States, Aleutian Islands, Bering Sea, Pacific
Depth (m): 60 to 79
Vessel: Albatross
  • Cotype:
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Type for Hemilepidotus zapus
Catalog Number: USNM 74374
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Year Collected: 1906
Locality: East Cape, Attu Island, S. 22 degrees W., 4 miles. (From Aguttu Island to Chichagof Harbor, Attu Island, via Semichi Islands, Aleutians)., Attu Island, Alaska, United States, Aleutian Islands, Bering Sea, Pacific
Depth (m): 104 to 108
Vessel: Albatross
  • Type:
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Ecology

Habitat

Habitat Type: Marine

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Depth: 61 - 107m.
From 61 to 107 meters.

Habitat: demersal.
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Environment

demersal; marine; depth range 61 - 530 m (Ref. 56594), usually 100 - 250 m (Ref. 56594)
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Depth range based on 3 specimens in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 99 - 106
  Temperature range (°C): 3.566 - 3.566
  Nitrate (umol/L): 24.707 - 24.707
  Salinity (PPS): 33.267 - 33.267
  Oxygen (ml/l): 6.658 - 6.658
  Phosphate (umol/l): 2.219 - 2.219
  Silicate (umol/l): 53.641 - 53.641

Graphical representation

Depth range (m): 99 - 106
 
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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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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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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