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

Dolichopteryx longipes

Brownsnout spookfish

WoRMS 126731ITIS 162103key worms:126731
i

2026-08-05: itis_id 162103 via WoRMS external link

Silhouette · T. Michael Keesey · Public Domain Mark · PhyloPic, drawn from Winteria telescopa
Brownsnout spookfish18 cm
bongo net ring71 cm

max · worms_attribute

Photograph of Dolichopteryx longipes
Photo · anonymous, no known copyright restrictions (public domain) · Public domain · inat

The brownsnout spookfish or brown-snout spookfish is a species of barreleye in the family Opisthoproctidae. It and the glasshead barreleye fish are the only vertebrates known to employ a mirror, in addition to a lens, to focus an image in its eyes.W CalCOFI holds 6 observations of it in 1 dataset between 1969 and 2002, as larva.R

6
observations
6
records
6
sampling events
1969–2002
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 6 obs · 6 events · 1969–2002 · larva
    name used: Dolichopteryx longipes Brownsnout spookfish · code 52

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:126731%22