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Atractoscion nobilis (Ayres, 1860)

White weakfish
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Native range | All suitable habitat | Point map | Year 2050
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Atractoscion nobilis   AquaMaps   Data sources: GBIF OBIS
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Image of Atractoscion nobilis (White weakfish)
Atractoscion nobilis
Picture by Steele, M.A.


United States (contiguous states) country information

Common names: Seatrout, Tilpuuk, White seabass
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref: Clemens, W.A. and G.V. Wilby, 1961
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Uncommon north of San Fransisco (Ref. 6885). Also Refs. 4925, 11484.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983
National Database:

Common names from other countries

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

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Etymology: Atractoscion: Greek, atraktos, arrow + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
  More on author: Ayres.

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

marina bottenlevande; djupintervall 0 - 122 m (Ref. 2850).   Subtropical; 65°N - 22°N

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

Eastern Pacific: Alaska to southern Baja California, Mexico and the Gulf of California.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 166 cm TL hane/ej könsbestämd; (Ref. 40637); common length : 100.0 cm TL hane/ej könsbestämd; (Ref. 9118); publicerad maxvikt: 41.0 kg (Ref. 2850); rapporterad maxålder: 20 år (Ref. 56049)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 10 - 11; Mjukstrålar i ryggfenan (totalt) : 20 - 23; Taggstrålar i analfenan: 2; Mjukstrålar i analfenan: 8 - 9; Ryggkotor: 24. Pelvic fins with fleshy appendage at base.

Biologi     Ordlista (t.ex. epibenthic)

Often in schools over rocky bottom and in kelp beds (Ref. 2850). Also found in the surf zone (Ref. 2850). Young in bays and along sandy beaches (Ref. 2850). Feed on fishes, squids, and crayfish (Ref. 6885). Pelagic spawners (Ref. 56049). Excellent food fish (Ref. 9118).

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

Pelagic spawner (Ref. 56049).

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)

  Least Concern (LC) ; Date assessed: 03 September 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fiskeri: mindre kommeriell; sportfisk: ja
FAO(fiskeri: produktion; publication : search) | FishSource | Sea Around Us

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer
Ecology
Ekologi
Home ranges
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
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videos
Anatomy
Gill areas
Hjärnstorlek
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fiskljud
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetik
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.
Outreach
Medarbetare
References
referenser

Verktyg

Special reports

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Internet-källor

Estimates based on models

Preferred temperature (Ref. 115969): 9 - 22.9, mean 12.8 (based on 76 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00404 - 0.01563), b=3.07 (2.91 - 3.23), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisk nivå (Ref. 69278):  4.3   ±0.70 se; based on food items.
Resiliens (Ref. 120179):  Låg, lägsta populationsfördubblingstid 4,5-14 år (K=0.13; tm=4; tmax=20).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (70 of 100).
Climate Vulnerability (Ref. 125649):  Moderate to high vulnerability (48 of 100).
Price category (Ref. 80766):   Very high.