CalCOFI.io CalCOFI.io open data ecosystem

Luvarus imperialis

Louvar

Speciesaccepted · checked 2026-08-05WoRMS 126974ITIS 172485key worms:126974
i

2026-08-05: itis_id 172485 via WoRMS external link

The louvar or luvar is a species of marine ray-finned fish, it is the only extant species in the genus Luvarus and family Luvaridae. This taxon is classified within the suborder Acanthuroidei, which includes the surgeonfish, of the order Acanthuriformes, and is the only pelagic species of this order.W CalCOFI holds 3 observations of it in 1 dataset between 1989 and 2003, as larva.R

3
observations
3
records
3
sampling events
1989–2003
years
1
datasets
larva
life stages
2 m
max length
Photograph of Luvarus imperialis
Photo · English:, 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 events1989–2003larva
    name used: Luvarus imperialis Louvar · code 587

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:126974%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 2 m max
Louvar2 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 Luvarus
Credits silhouette · photo · text · length · plate
  • Silhouette · Denis Lafage · CC BY 3.0 · PhyloPic, drawn from Dicentrarchus labrax · source
  • Photo · English:, no known copyright restrictions (public domain) · Public domain · inat · source
  • Text · Wikipedia, “Louvar” · CC BY-SA 4.0 · revision 1368935758
  • 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 · GBIF

WikidataiNaturalistFishBaseGBIF

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 ↗