Gempylus serpens
Snake Mackerel
i
2026-08-05: itis_id 172360 via WoRMS external link
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
- 1 m
- max length
Observed in 1 dataseti
One row per dataset, and beside it 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.
i
One row per dataset, and beside it 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.
-
name used: Gempylus serpens Snake Mackerel · code
591
Ways inExplorerdb-queryERDDAPRPythonThis page as JSON
Code and endpoints ERDDAP · R · Python · JSON
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "worms:126862")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:126862'").df()Read from taxa.json of release v2026.10.19, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.
How big is it 1 m max
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.
Life stages larva
- Ichthyoplankton larva
The stages each dataset records for it, from the release's obs_bio.life_stage. Their lengths are under How big is it.
Lineage 12 ranks · Biota to Gempylus
Credits silhouette · photo · text · length
- Silhouette · Russell Engelman · CC BY 4.0 · PhyloPic, drawn from Ruvettus pretiosus · source
- Photo · NOAA-PIRO Observer Program · Public domain · commons · source
- Text · Wikipedia, “Snake mackerel” · CC BY-SA 4.0 · revision 1335642505
- Length · worms_attribute
Elsewhere Wikidata · iNaturalist · FishBase
The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.
Cite the release, v2026.10.19
Cite the release, v2026.10.19; each dataset's own citation, licence and DOI are on its page. How to cite ↗