Species · accepted · checked 2026-08-05

Peprilus simillimus

Pacific butterfish

WoRMS 276563ITIS 172565GBIF 2397704key worms:276563

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

Silhouette · Nathan Hermann · CC0 1.0 · PhyloPic, drawn from Peprilus triacanthus

Pacific butterfish28 cm

bongo net ring71 cm

max · worms_attribute

Photograph of Peprilus simillimus — Photo · Jacob · CC BY-NC 4.0 · inat NC

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 907 observations of it in 1 dataset between 1951 and 2022, as larva and egg.R

907
observations: 907
records: 907
sampling events: 1951–2022
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 907 obs · 907 events · 1951–2022 · larva · egg
name used: Peprilus simillimus Pacific butterfish · code 531

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:276563%22

Peprilus simillimus

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/.