Species · accepted · checked 2026-08-05

Atractoscion nobilis

White seabass

WoRMS 278535ITIS 169387GBIF 2400362key worms:278535

2026-08-05: itis_id 169387 via WoRMS external link

Silhouette · Ananth Srinivas · CC0 1.0 · PhyloPic, drawn from Pogonias cromis

White seabass1.7 m

a person1.7 m

max · worms_attribute

Photograph of Atractoscion nobilis — Photo · mornelas · CC BY-NC 4.0 · inat NC

The white seabass or white weakfish, Atractoscion nobilis, is a species of croaker occurring from Magdalena Bay, Baja California Sur, to Juneau, Alaska. They usually travel in schools over deep rocky bottoms and in and out of kelp beds.W CalCOFI holds 122 observations of it in 1 dataset between 1959 and 2022, as larva and egg.R

122
observations: 122
records: 121
sampling events: 1959–2022
years: 1
datasets: larva · egg
life stages

Observed in
i
One row per dataset, one cell per year, darker with more observations — the same strip the front door draws per dataset. Each row ends with the name that dataset uses (dataset_taxon); the accepted name is written once, in the title above. A quiet pill marks a name the authority does not accept.

Ichthyoplankton 122 obs · 121 events · 1959–2022 · larva · egg
name used: Atractoscion nobilis White seabass · code 609

How big is it
i
Every mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Ways in
i
Read from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

Explorer db-query

ERDDAPCalCOFI's own server, the Ichthyoplankton table constrained to this taxon

https://erddap.calcofi.io/erddap/tabledap/swfsc_ichthyo.html?&taxon_key=%22worms:278535%22

Atractoscion nobilis

How big is itiEvery mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Ways iniRead from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

How big is it
i
Every mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Ways in
i
Read from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.