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

Sternoptyx obscura

Dusky hatchetfish

WoRMS 275004ITIS 622675GBIF 2347559key worms:275004
i

2026-08-05: itis_id 622675 via WoRMS external link

Silhouette · Christopher Kenaley · CC0 1.0 · PhyloPic, drawn from Sternoptyx pseudobscura
Dusky hatchetfish4.5 cm
US quarter2.4 cm

max · worms_attribute

MCZ:Ich:66704 Sternoptyx obscura
Photo · © President and Fellows of Harvard College · CC BY-NC-SA 3.0 · gbif NC

CalCOFI holds 6 observations of it in 1 dataset between 2011 and 2012.R

6
observations
6
records
6
sampling events
2011–2012
years
1
datasets

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.

  • Mesopelagic Fish 6 obs · 6 events · 2011–2012
    name used: Sternoptyx obscura · code Sternoptyx obscura

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 Mesopelagic Fish table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/sio_mesopelagic-fish.html?&taxon_key=%22worms:275004%22