CalCOFI.io CalCOFI.io open data ecosystem

Stomias atriventer

Blackbelly dragonfish

Speciesaccepted · checked 2026-08-05WoRMS 275178ITIS 162290GBIF 2346852key worms:275178
i

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

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 3,203 observations of it in 2 datasets between 1951 and 2023, as larva and egg.R

3,203
observations
3,203
records
3,203
sampling events
1951–2023
years
2
datasets
larva · egg
life stages
25 cm
max length
Photograph of Stomias atriventer
Photo · Camille Ayrea · CC BY-NC 4.0 · inat NC

Observed in 2 datasets
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.

  • 3,181 obs3,181 events1951–2023larva · egg
    name used: Stomias atriventer Blackbelly dragonfish · code 121
  • 22 obs22 events2010–2012
    name used: Stomias atriventer · code Stomias atriventer

Ways inExplorerdb-queryERDDAPRPythonThis page as JSON

Code and endpoints ERDDAP · R · Python · JSON
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

Read from taxa.json of release v2026.10.20, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

How big is it 25 cm max · egg 0.88–0.92 mm
Blackbelly dragonfish25 cm
bongo net ring71 cm

max · worms_attribute

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 · egg
  • Ichthyoplankton larva · egg

The stages each dataset records for it, from the release's obs_bio.life_stage. Their lengths are under How big is it.

Lineage 13 ranks · Biota to Stomias
Credits silhouette · photo · text · length
Elsewhere Wikidata · iNaturalist · FishBase

WikidataiNaturalistFishBase

The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.

Cite the release, v2026.10.20

Cite the release, v2026.10.20; each dataset's own citation, licence and DOI are on its page. How to cite ↗