CalCOFI.io CalCOFI.io open data ecosystem

Nematistius pectoralis

Roosterfish

Speciesaccepted · checked 2026-08-05WoRMS 281664ITIS 168744GBIF 2369683key worms:281664
i

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

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

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.

  • 3 obs3 events1998–2006larva
    name used: Nematistius pectoralis Roosterfish · code 511

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:281664%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 1.6 m max
Roosterfish1.6 m
a person1.7 m

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 12 ranks · Biota to Nematistius
Credits silhouette · photo · text · length
  • Silhouette · Cee Nell · CC0 1.0 · PhyloPic, drawn from Centropomidae · source
  • Photo · U.S. Fish and Wildlife Service Headquarters, no known copyright restrictions (public domain) · Public domain · inat · source
  • Text · Wikipedia, “Roosterfish” · CC BY-SA 4.0 · revision 1362847460
  • Length · worms_attribute
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 ↗