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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 Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | 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 Ecología

marino demersal; rango de profundidad 0 - 122 m (Ref. 2850).   Subtropical; 65°N - 22°N

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

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

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 166 cm TL macho / no sexado; (Ref. 40637); common length : 100.0 cm TL macho / no sexado; (Ref. 9118); peso máximo publicado: 41.0 kg (Ref. 2850); edad máxima reportada: 20 años (Ref. 56049)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 10 - 11; Radios blandos dorsales (total) : 20 - 23; Espinas anales: 2; Radios blandos anales: 8 - 9; Vértebra: 24. Pelvic fins with fleshy appendage at base.

Biología     Glosario (por ej. 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 | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Pelagic spawner (Ref. 56049).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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

Pesquerías: escaso valor comercial; pesca deportiva: si
FAO(pesquerías: producción; publication : search) | FishSource | Sea Around Us

Más información

Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores
Ecology
Ecología
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproducción
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinámica larvaria
Distribution
Países
Áreas FAO
Ecosistemas
Ocurrencias, apariciones
Introducciones
BRUVS - Videos
Anatomy
Gill areas
Cerebros
Otolitos
Physiology
Body compositions
Nutrients
Oxygen consumptions
Tipo de natación
Swimming speeds
Visual pigment(s)
Sonidos de peces
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genética
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Perfiles de acuicultura
Razas
Ciguatera cases
Stamps, coins, misc.
Outreach
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References
Referencias

Herramientas

Special reports

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Fuentes de Internet

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).
Nivel trófico (Ref. 69278):  4.3   ±0.70 se; based on food items.
Resiliencia (Ref. 120179):  Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (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.