Notolychnus

Genusaccepted · checked 2026-08-05WoRMS 125830ITIS 162728key worms:125830

2026-08-05: itis_id 162728 via WoRMS external link

Notolychnus valdiviae, the topside lanternfish, is a species of lanternfish found in the oceans worldwide. This species grows to a length of 6.3 centimetres (2.5 in) TL.W CalCOFI holds 560 observations of it in 2 datasets between 1951 and 2023.R

560
observations: 560
records: 1951–2023
years: 2
datasets

Photo · The Trustees of the Natural History Museum, London · CC BY 4.0 · gbif

Observed in nothing keyed to it directly

Every observation under it belongs to one of the taxa under it — 1 taxon, in the fold below.

Ways inExplorer db-query R Python This page as JSON

Code and endpoints R · Python · JSON

library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "worms:125830")

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 not on record

Not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).

Under it 1 taxon

sp Notolychnus valdiviae Topside lampfish560

Lineage 12 ranks · Biota to Notolychninae

Credits silhouette · photo · text

Silhouette · T. Michael Keesey · Public Domain Mark · PhyloPic, drawn from Myctophum punctatum · source
Photo · The Trustees of the Natural History Museum, London · CC BY 4.0 · gbif · source
Text · Wikipedia, “Notolychnus” · CC BY-SA 4.0 · revision 1154788092

Elsewhere Wikidata · iNaturalist · GBIF

Wikidata iNaturalist GBIF

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 ↗