White weakfish (Atractoscion nobilis)

Scientific name: Atractoscion nobilis Ayres, 1860

The White weakfish (Atractoscion nobilis) is a marine fish of the family Sciaenidae. Native range: Eastern Pacific, Alaska to southern Baja California, Mexico and the Gulf of California.

Biology

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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Atractoscion nobilis
Family: Sciaenidae (Drums or croakers)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 166
Common length: 100.0
Depth range: 0–122 m (0–400 ft)
Environment: Marine; demersal; depth range 0 - 122 m
Climate: Subtropical
Distribution: Eastern Pacific: Alaska to southern Baja California, Mexico and the Gulf of California.
Conservation status (IUCN): Least Concern (LC)
Threat to humans: Harmless
Uses: Fisheries: minor commercial; gamefish: yes
Resilience: Low, minimum population doubling time 4.5 - 14 years (K=0.13; tm=4; tmax=20)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

Last updated 27 September 2026