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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 Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | 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 Écologie

marin démersal; profondeur 0 - 122 m (Ref. 2850).   Subtropical; 65°N - 22°N

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

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

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 166 cm TL mâle / non sexé; (Ref. 40637); common length : 100.0 cm TL mâle / non sexé; (Ref. 9118); poids max. publié: 41.0 kg (Ref. 2850); âge max. reporté: 20 années (Ref. 56049)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 10 - 11; Rayons mous dorsaux (Total): 20-23; Épines anales 2; Rayons mous anaux: 8 - 9; Vertèbres: 24. Pelvic fins with fleshy appendage at base.

Biologie     Glossaire (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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Pelagic spawner (Ref. 56049).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Préoccupation mineure (LC) ; Date assessed: 03 September 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Pêcheries: intérêt commercial mineur; pêche sportive: oui
FAO(pêcheries: production; publication : search) | FishSource | Sea Around Us

Plus d'informations

Noms communs
Synonymes
Métabolisme
Prédateurs
Écotoxicologie
Reproduction
Maturité
Frai
Fécondité
Œufs
Développement de l'œuf
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
Références
Aquaculture
Profil d'aquaculture
Souches
Génétique
Electrophoreses
Héritabilité
Pathologies
Traitement
Mass conversion
Collaborateurs
Images
Stamps, Coins Misc.
Sons
Ciguatera
Vitesse
Type de nage
Surface branchiale
Otolithes
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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).
Niveau trophique (Ref. 69278):  4.3   ±0.70 se; based on food items.
Résilience (Ref. 120179):  Faible, temps minimum de doublement de population : 4,5 à 14 années (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).
Catégorie de prix (Ref. 80766):   Very high.