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

Gempylus serpens

Snake Mackerel

WoRMS 126862ITIS 172360GBIF 2397775key worms:126862
i

2026-08-05: itis_id 172360 via WoRMS external link

Silhouette · Russell Engelman · CC BY 4.0 · PhyloPic, drawn from Ruvettus pretiosus
Snake Mackerel1 m
bongo net ring71 cm

max · worms_attribute

Snake mackerel (Gempylus serpens)
Photo · NOAA-PIRO Observer Program · Public domain · commons

The snake mackerel is the sole species of fish in the monotypic genus Gempylus, belonging to the family Gempylidae. It is found worldwide in tropical and subtropical oceans between the latitudes of 42°N and 40°S; adults are known to stray into temperate waters.W CalCOFI holds 151 observations of it in 1 dataset between 1959 and 2006, as larva.R

151
observations
151
records
151
sampling events
1959–2006
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 151 obs · 151 events · 1959–2006 · larva
    name used: Gempylus serpens Snake Mackerel · code 591

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:126862%22