CalCOFI.io CalCOFI.io open data ecosystem

Sebastes auriculatus

Brown rockfish

Speciesaccepted · checked 2026-08-05WoRMS 274773ITIS 166708GBIF 2335497key worms:274773
i

2026-08-05: itis_id 166708 via WoRMS external link

The brown rockfish, whose other names include brown seaperch, chocolate bass, brown bass and brown bomber, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae. It is found in the northeastern Pacific Ocean.W CalCOFI holds 4 observations of it in 1 dataset between 2007 and 2013, as larva.R

4
observations
4
records
4
sampling events
2007–2013
years
1
datasets
larva
life stages
56 cm
max length
This is a brown rockfish (Sebastes auriculatus), which has a distinctive dark splotch at the top of the operculum.
Photo · Steve Lonhart (SIMoN / MBNMS) · Public domain · commons

Observed in 1 dataset
i

One row per dataset, and beside it 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.

  • 4 obs4 events2007–2013larva
    name used: Sebastes auriculatus Brown rockfish · code 3013

Ways inExplorerdb-queryERDDAPRPythonThis page as JSON

Code and endpoints ERDDAP · R · Python · JSON
ERDDAPCalCOFI's own server, the Ichthyoplankton table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/swfsc_ichthyo.html?&taxon_key=%22worms:274773%22

Read from taxa.json of release v2026.10.20, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

How big is it 56 cm max
Brown rockfish56 cm
bongo net ring71 cm

max · worms_attribute

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.

Life stages larva
  • Ichthyoplankton larva

The stages each dataset records for it, from the release's obs_bio.life_stage. Their lengths are under How big is it.

Lineage 14 ranks · Biota to Sebastes
Credits silhouette · photo · text · length · plate
  • Silhouette · Harold Eyster · CC BY 3.0 · PhyloPic, drawn from Sebastes melanops · source
  • Photo · Steve Lonhart (SIMoN / MBNMS) · Public domain · commons · source
  • Text · Wikipedia, “Brown rockfish” · CC BY-SA 4.0 · revision 1364115951
  • Length · worms_attribute
  • Plate · Matarese, Kendall, Blood & Vinter 1989, NOAA Tech. Rep. NMFS 80, via the AFSC Ichthyoplankton Information System · Public domain (US Government work) · noaa_iis · source
Elsewhere Wikidata · iNaturalist · FishBase

WikidataiNaturalistFishBase

The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.

Cite the release, v2026.10.20

Cite the release, v2026.10.20; each dataset's own citation, licence and DOI are on its page. How to cite ↗