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Myoxocephalus polyacanthocephalus (Pallas, 1814)

Great sculpin
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Native range | All suitable habitat | Point map | Year 2050
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Myoxocephalus polyacanthocephalus   AquaMaps   Data sources: GBIF OBIS
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Image of Myoxocephalus polyacanthocephalus (Great sculpin)
Myoxocephalus polyacanthocephalus
Picture by Armstrong, S.

Japan country information

Common names: Togekajika
Occurrence: native
Salinity: marine
Abundance: abundant (always seen in some numbers) | Ref: Sokolovskaya, T.G., A.S. Sokolovskii and E.I. Sobolevskii, 1998
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in the Iwate and Niigata Prefectures to the northern Sea of Japan. Also Ref. 2850, 6885, 27436.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
National Database:

Common names from other countries

Hulkoga-nolgus, 살꺽정이, 棘头床杜父鱼, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Myoxocephalus: Greek, myos = muscle, and also, mouse + Greek, kephale = head (Ref. 45335).
  More on author: Pallas.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; amphidromous (Ref. 51243); depth range 0 - 775 m (Ref. 6793).   Temperate; 66°N - 42°N, 144°E - 124°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

North Pacific: Hokkaido, Japan and Kamchatka, Russia through the Aleutian Islands to the Bering Sea coast of Alaska and Puget Sound, Washington, USA.

Length at first maturity / Size / Weight / Age

Maturity: Lm 56.0, range 54 - 58 cm
Max length : 80.0 cm TL male/unsexed; (Ref. 56527); max. published weight: 9.0 kg (Ref. 56527); max. reported age: 17 years (Ref. 122394)

Short description Morphology | Morphometrics

Dorsal spines (total): 9 - 10; Dorsal soft rays (total): 13-16; Anal spines: 0; Anal soft rays: 11 - 13. Caudal fin slightly rounded (Ref. 6885). Color deep olive on dorsal surface with 4 dark saddles across back; ventral surface pale; brown bars running downward on relaxed unpaired and paired pectoral fins (Ref. 6885).

Biology     Glossary (e.g. epibenthic)

Occurs in the intertidal area and to 244 m depth, on sand and mud bottoms (Ref. 2850). Feeds on small fishes (Ref. 4925). Often caught near shore (Ref. 2850).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(Publication : search) | FishSource |

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 0.7 - 6.3, mean 3.2 (based on 435 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00544 - 0.01272), b=3.14 (3.01 - 3.27), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.8   ±0.2 se; based on diet studies.
Resilience (Ref. 120179):  Low, minimum population doubling time 4.5 - 14 years (tm=6-8; tmax=9-13; K=0.08-0.21; Fec=2,00-10,000).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (68 of 100).
Price category (Ref. 80766):   Very high.