Species · accepted · checked 2026-08-05

Luvarus imperialis

Louvar

WoRMS 126974ITIS 172485key worms:126974

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

Silhouette · Denis Lafage · CC BY 3.0 · PhyloPic, drawn from Dicentrarchus labrax

Louvar2 m

a person1.7 m

max · worms_attribute

Photograph of Luvarus imperialis — Photo · English:, no known copyright restrictions (public domain) · Public domain · inat

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

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 · 1989–2003 · larva
name used: Luvarus imperialis Louvar · code 587

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:126974%22

Luvarus imperialis

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/.