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

Stomias atriventer

Blackbelly dragonfish

WoRMS 275178ITIS 162290GBIF 2346852key worms:275178
i

2026-08-05: itis_id 162290 via WoRMS external link

Silhouette · Yan Wong · CC0 1.0 · PhyloPic, drawn from Malacosteus niger
Blackbelly dragonfish25 cm
bongo net ring71 cm

max · worms_attribute

Photograph of Stomias atriventer
Photo · Camille Ayrea · CC BY-NC 4.0 · inat NC

Stomias atriventer is a species of deep-sea mesopelagic fish in the genus Stomias. The species has been observed in the Pacific Ocean off the coast of California, and fully-grown adults can reach a maximum length of ~25 centimeters.W CalCOFI holds 3,199 observations of it in 2 datasets between 1951 and 2023, as larva and egg.R

3,199
observations
3,199
records
3,199
sampling events
1951–2023
years
2
datasets
larva · egg
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 3,177 obs · 3,177 events · 1951–2023 · larva · egg
    name used: Stomias atriventer Blackbelly dragonfish · code 121
  • Mesopelagic Fish 22 obs · 22 events · 2010–2012
    name used: Stomias atriventer · code Stomias atriventer

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:275178%22