You can sponsor this page

Atractoscion nobilis  (Ayres, 1860)

White weakfish
Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Atractoscion nobilis   AquaMaps   Data sources: GBIF OBIS
Upload your photos and videos
Pictures | Google image
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: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: https://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Sciaenidae (Drums or croakers)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 166 cm TL male/unsexed; (Ref. 40637); common length : 100.0 cm TL male/unsexed; (Ref. 9118); max. published weight: 41.0 kg (Ref. 2850); max. reported age: 20 years (Ref. 56049)

Environment

Marine; demersal; depth range 0 - 122 m (Ref. 2850)

Climate / Range

Subtropical, preferred 12°C (Ref. 107945); 65°N - 22°N

Distribution

Eastern Pacific: Alaska to southern Baja California, Mexico and the Gulf of California.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 20-23; Anal spines: 2; Anal soft rays: 8 - 9; Vertebrae: 24. Pelvic fins with fleshy appendage at base.

Biology     Glossary (e.g. 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).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: minor commercial; gamefish: yes

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

Internet sources

BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(fisheries: production; publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.3   ±0.70 se; Based on food items.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (K=0.13; tm=4; tmax=20)

Vulnerability (Ref. 59153)
High to very high vulnerability (70 of 100)
Price category (Ref. 80766)
Very high