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Hemitripterus villosus (Pallas, 1814)

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Hemitripterus villosus   AquaMaps   Data sources: GBIF OBIS
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Image of Hemitripterus villosus
Hemitripterus villosus
Picture by Markevich, A.I.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Cottoidei (Sculpins) > Agonidae (Poachers) > Hemitripterinae
Etymology: Hemitripterus: Greek, hemi = half + Greek, tres, tria = three + Greek, pteron = wing, fin (Ref. 45335).
More on author: Pallas.

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

marina bottenlevande; djupintervall 0 - 550 m (Ref. 50550). Temperate; 66°N -

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Northwest Pacific: Karaginskiy and Commander islands, Bering Sea to Okhotsk and Japan seas; one record from the western Gulf of Alaska.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm SL hane/ej könsbestämd; (Ref. 559)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 17 - 19; Mjukstrålar i ryggfenan (totalt) : 11 - 13; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 12 - 15. Body covered with many small tubercles; head large, with numerous bony humps and ridges; spinous dorsal fin deeply emarginate, its base longer than that of the soft dorsal fin; jaws, prevomer and palatines with broad bands of conical teeth (Ref. 559).

Biologi     Ordlista (t.ex. epibenthic)

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Spawn in the calcareous deposits of colonies of the polychaeta, Salmacinasp. which makes them more of 'cavity spawners' than 'spawners in live vertebrate' (Ref. 34819, 26281).

Main reference Upload your references | referenser | Koordinator | Medarbetare

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

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer
Ecology
Ekologi
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproduktion
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larver
Larvdynamik
Distribution
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Anatomy
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Otoliths
Physiology
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Nutrients
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Swimming type
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Visual pigment(s)
Fiskljud
Diseases / Parasites
Toxicities (LC50s)
Genetics
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Taxonomy
Populärnamn
synonymer
Morfologi
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References
referenser

Verktyg

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Summary page | Point data | Populärnamn | Photos

Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 0.9 - 11, mean 4.7 °C (based on 411 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6289   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00493 - 0.02437), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisk nivå (Ref. 69278):  4.3   ±0.4 se; based on diet studies.
Resiliens (Ref. 120179):  Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (33 of 100).