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Species · accepted · checked 2026-08-05

Cyclothone signata

Showy bristlemouth

WoRMS 154831ITIS 162168GBIF 7949609key worms:154831
i

2026-08-05: itis_id 162168 via WoRMS external link

Silhouette · Yan Wong · CC0 1.0 · PhyloPic, drawn from Malacosteus niger
Showy bristlemouth3 cm
US quarter2.4 cm

max · worms_attribute

Zoology Accessions Register: Fishes: 1971 - 1985: page 52
Photo · The Trustees of the Natural History Museum, London · CC BY 4.0 · gbif

Cyclothone signata, the showy bristlemouth, is a species of ray-finned fish in the genus Cyclothone.W CalCOFI holds 5,568 observations of it in 2 datasets between 1959 and 2023, as larva.R

5,568
observations
5,568
records
5,568
sampling events
1959–2023
years
2
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 5,526 obs · 5,526 events · 1959–2023 · larva
    name used: Cyclothone signata Showy bristlemouth · code 78
  • Mesopelagic Fish 42 obs · 42 events · 2010–2012
    name used: Cyclothone signata · code Cyclothone signata

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:154831%22