Species · accepted · checked 2026-08-05

Leuroglossus schmidti

Northern smoothtongue

WoRMS 254551ITIS 162098key worms:254551

2026-08-05: itis_id 162098 via WoRMS external link

Silhouette · T. Michael Keesey · Public Domain Mark · PhyloPic, drawn from Alepocephalus productus

Northern smoothtongue20 cm

bongo net ring71 cm

max · worms_attribute

Photograph of Leuroglossus schmidti — Photo · sergeymakeev · CC BY-NC 4.0 · inat NC

The Northern smoothtongue is a type of deepwater fish that can grow to a length of 15 centimetres (5.9 in) TL. The fish are native from the Pacific Ocean to Oregon, United States and also to the Gulf of California where they are found at depths of 100 to 690 metres.W CalCOFI holds 5 observations of it in 1 dataset between 1956 and 2008, as larva.R

5
observations: 5
records: 5
sampling events: 1956–2008
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 5 obs · 5 events · 1956–2008 · larva
name used: Leuroglossus schmidti Northern smoothtongue · code 74

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:254551%22

Leuroglossus schmidti

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/.