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Species · accepted · checked 2026-08-05

Sebastolobus alascanus

Shortspine thornyhead

WoRMS 282740ITIS 166783GBIF 2335323key worms:282740
i

2026-08-05: itis_id 166783 via WoRMS external link

Silhouette · Harold Eyster · CC BY 3.0 · PhyloPic, drawn from Sebastes melanops
Shortspine thornyhead80 cm
bongo net ring71 cm

max · worms_attribute

Shortspine thornyhead, Sebastolobus alascanus. A shortspine thornyhead resting on soft substrate.
Photo · Southwest Fisheries Science Center, NOAA Fisheries Service · Public domain · commons

The shortspine thornyhead, also known as the channel rockcod, shortspine channel rockfish or spinycheek rockfish, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae.W CalCOFI holds 20 observations of it in 1 dataset between 1951 and 2022, as larva.R

20
observations
20
records
20
sampling events
1951–2022
years
1
datasets
larva
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 20 obs · 20 events · 1951–2022 · larva
    name used: Sebastolobus alascanus Shortspine thornyhead · code 708

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/.

Explorerdb-query
ERDDAPCalCOFI's own server, the Ichthyoplankton table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/swfsc_ichthyo.html?&taxon_key=%22worms:282740%22