CalCOFI.io CalCOFI.io open data ecosystem

Peprilus simillimus

Pacific butterfish

Speciesaccepted · checked 2026-08-05WoRMS 276563ITIS 172565GBIF 2397704key worms:276563
i

2026-08-05: itis_id 172565 via WoRMS external link

Peprilus simillimus, also known as the Pacific Butterfish, Californian Pompano, or Pacific Pompano, is a silvery ray-finned fish in the family Stromateidae (butterfishes) of the order Scombriformes. It is not closely related to true pompanos, in the Carangidae family, however is closely related to the Pomfrets.W CalCOFI holds 909 observations of it in 1 dataset between 1951 and 2022, as larva and egg.R

909
observations
909
records
909
sampling events
1951–2022
years
1
datasets
larva · egg
life stages
28 cm
max length
Photograph of Peprilus simillimus
Photo · Jacob · 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.

  • 909 obs909 events1951–2022larva · egg
    name used: Peprilus simillimus Pacific butterfish · code 531

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:276563%22

Read from taxa.json of release v2026.10.19, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

How big is it 28 cm max
Pacific butterfish28 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 · egg
  • Ichthyoplankton larva · egg

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

Lineage 12 ranks · Biota to Peprilus
Credits silhouette · photo · text · length · plate
  • Silhouette · Nathan Hermann · CC0 1.0 · PhyloPic, drawn from Peprilus triacanthus · source
  • Photo · Jacob · CC BY-NC 4.0 · inat · source
  • Text · Wikipedia, “Peprilus simillimus” · CC BY-SA 4.0 · revision 1355382939
  • 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, v2026.10.19

Cite the release, v2026.10.19; each dataset's own citation, licence and DOI are on its page. How to cite ↗