CalCOFI.io CalCOFI.io open data ecosystem

Psettichthys melanostictus

Sand sole

Speciesaccepted · checked 2026-08-05WoRMS 282396ITIS 172928GBIF 2409051key worms:282396
i

2026-08-05: itis_id 172928 via WoRMS external link

The Pacific sand sole, also known as simply sand sole, is a species of flatfish found in the north-eastern Pacific waters where it lives on sandy bottoms. It is the only species in the genus Psettichthys, and ranges from the Bering Sea to northern California.W CalCOFI holds 131 observations of it in 1 dataset between 1954 and 2018, as larva.R

131
observations
131
records
131
sampling events
1954–2018
years
1
datasets
larva
life stages
63 cm
max length
Photograph of Psettichthys melanostictus
Photo · awhitlock · CC BY-NC 4.0 · inat NC

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.

  • 131 obs131 events1954–2018larva
    name used: Psettichthys melanostictus Sand sole · code 958

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:282396%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 63 cm max
Sand sole63 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 13 ranks · Biota to Psettichthys
Credits silhouette · photo · text · length · plate
  • Silhouette · Birgit Lang · CC BY 3.0 · PhyloPic, drawn from Pleuronectes platessa · source
  • Photo · awhitlock · CC BY-NC 4.0 · inat · source
  • Text · Wikipedia, “Pacific sand sole” · CC BY-SA 4.0 · revision 1367698577
  • 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 ↗