Species · accepted · checked 2026-08-05

Nematistius pectoralis

Roosterfish

WoRMS 281664ITIS 168744GBIF 2369683key worms:281664

2026-08-05: itis_id 168744 via WoRMS external link

Silhouette · Cee Nell · CC0 1.0 · PhyloPic, drawn from Centropomidae

Roosterfish1.6 m

a person1.7 m

max · worms_attribute

Photograph of Nematistius pectoralis — Photo · U.S. Fish and Wildlife Service Headquarters, no known copyright restrictions (public domain) · Public domain · inat

The roosterfish is a unique species of marine carangiform fish found in the warmer shallow waters of the southeastern Pacific Ocean, from Baja California south to Peru. Roosterfish are a popular sport fish for being strong fighters.W CalCOFI holds 3 observations of it in 1 dataset between 1998 and 2006, as larva.R

3
observations: 3
records: 3
sampling events: 1998–2006
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 3 obs · 3 events · 1998–2006 · larva
name used: Nematistius pectoralis Roosterfish · code 511

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:281664%22

Nematistius pectoralis

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/.