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Species · accepted · checked 2026-08-05

Tetragonurus cuvieri

Smalleye squaretail

WoRMS 127080ITIS 172580GBIF 5209332key worms:127080
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2026-08-05: itis_id 172580 via WoRMS external link

Silhouette · Nathan Hermann · CC0 1.0 · PhyloPic, drawn from Pomatomus saltatrix
Smalleye squaretail70 cm
bongo net ring71 cm

max · worms_attribute

Photograph of Tetragonurus cuvieri
Photo · anonymous · CC BY-SA 4.0 · inat

The smalleye squaretail, Tetragonurus cuvieri, is a squaretail of the genus Tetragonurus found in all tropical and temperate oceans of the world, at depths up to 800 m. Its length is 20 to 70 cm.W CalCOFI holds 1,837 observations of it in 2 datasets between 1951 and 2023, as larva and egg.R

1,837
observations
1,837
records
1,837
sampling events
1951–2023
years
2
datasets
larva · egg
life stages

Observed in
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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 1,832 obs · 1,832 events · 1951–2023 · larva · egg
    name used: Tetragonurus cuvieri Smalleye squaretail · code 546
  • Mesopelagic Fish 5 obs · 5 events · 2011
    name used: Tetragonurus cuvieri · code Tetragonurus cuvieri

How big is it
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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
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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:127080%22