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Species · accepted · checked 2026-08-05

Psenes sio

twospine driftfish

WoRMS 273682ITIS 642597GBIF 2381869key worms:273682
i

2026-08-05: itis_id 642597 via WoRMS external link

Silhouette · T. Michael Keesey · CC BY-SA 3.0 · PhyloPic, drawn from Nomeus gronovii
twospine driftfish33.5 cm
bongo net ring71 cm

max · fishbase

Photograph of Psenes sio
Photo · Savicale · CC BY-NC 4.0 · inat NC

Psenes sio is a species of scombriform ray-finned fish in the family Nomeidae (driftfishes).W CalCOFI holds 110 observations of it in 1 dataset between 1958 and 2006, as larva.R

110
observations
110
records
110
sampling events
1958–2006
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 110 obs · 110 events · 1958–2006 · larva
    name used: Psenes sio · code 524

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
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:273682%22