CalCOFI.io CalCOFI.io open data ecosystem
Species · accepted · checked 2026-08-05

Leuroglossus stilbius

California smoothtongue

WoRMS 313514ITIS 162096GBIF 2410951key worms:313514
i

2026-08-05: itis_id 162096 via WoRMS external link

Silhouette · T. Michael Keesey · Public Domain Mark · PhyloPic, drawn from Alepocephalus productus
California smoothtongue15 cm
bongo net ring71 cm

max · worms_attribute

Photograph of Leuroglossus stilbius
Photo · pootishedj · CC BY-NC 4.0 · inat NC

The southern smoothtongue or California smoothtongue is a type of ray-finned fish in the deep-sea smelt family Bathylagidae, that can grow to a length of 15 centimetres (6 in) TL.W CalCOFI holds 12,511 observations of it in 2 datasets between 1951 and 2023, as larva and egg.R

12,511
observations
12,511
records
12,507
sampling events
1951–2023
years
2
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 12,482 obs · 12,478 events · 1951–2023 · larva · egg
    name used: Leuroglossus urotranus · code 64 synonym id conflict
    name used: Leuroglossus stilbius California smoothtongue · code 72
  • Mesopelagic Fish 29 obs · 29 events · 2010–2012
    name used: Leuroglossus stilbius · code Leuroglossus stilbius

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/.

Explorerdb-query
ERDDAPCalCOFI's own server, the Ichthyoplankton table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/swfsc_ichthyo.html?&taxon_key=%22worms:313514%22