Species · accepted · checked 2026-08-05

Tetragonurus atlanticus

Bigeye squaretail

WoRMS 127079ITIS 172581GBIF 5209331key worms:127079

2026-08-05: itis_id 172581 via WoRMS external link

Silhouette · Nathan Hermann · CC0 1.0 · PhyloPic, drawn from Pomatomus saltatrix

Bigeye squaretail50 cm

bongo net ring71 cm

max · worms_attribute

Photograph of Tetragonurus atlanticus — Photo · mken0403 · CC BY-NC 4.0 · inat NC

The bigeye squaretail, Tetragonurus atlanticus, is a fish native to the Atlantic, Indian and Pacific Oceans. They feed on soft-bodied medusae and salps and will also eat plankton.W CalCOFI holds 5 observations of it in 1 dataset between 1988 and 2013, as larva.R

5
observations: 5
records: 5
sampling events: 1988–2013
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 · 1988–2013 · larva
name used: Tetragonurus atlanticus Bigeye squaretail · code 547

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:127079%22

Tetragonurus atlanticus

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/.