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Cyclothone signata

Showy bristlemouth

Speciesaccepted · checked 2026-08-05WoRMS 154831ITIS 162168GBIF 7949609key worms:154831
i

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

Cyclothone signata, the showy bristlemouth, is a species of ray-finned fish in the genus Cyclothone.W CalCOFI holds 5,582 observations of it in 2 datasets between 1959 and 2023, as larva.R

5,582
observations
5,582
records
5,582
sampling events
1959–2023
years
2
datasets
larva
life stages
3 cm
max length
Zoology Accessions Register: Fishes: 1971 - 1985: page 52
Photo · The Trustees of the Natural History Museum, London · CC BY 4.0 · gbif

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.

  • 5,540 obs5,540 events1959–2023larva
    name used: Cyclothone signata Showy bristlemouth · code 78
  • 42 obs42 events2010–2012
    name used: Cyclothone signata · code Cyclothone signata

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:154831%22

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 3 cm max · flexion 5–6 mm
Showy bristlemouth3 cm
US quarter2.4 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
  • Ichthyoplankton larva

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

Lineage 12 ranks · Biota to Cyclothone
Credits silhouette · photo · text · length · plate
  • Silhouette · Yan Wong · CC0 1.0 · PhyloPic, drawn from Malacosteus niger · source
  • Photo · The Trustees of the Natural History Museum, London · CC BY 4.0 · gbif · source
  • Text · Wikipedia, “Cyclothone signata” · CC BY-SA 4.0 · revision 1362780921
  • Length · worms_attribute
  • Plate · Matarese, Kendall, Blood & Vinter 1989, NOAA Tech. Rep. NMFS 80, via the AFSC Ichthyoplankton Information System · Public domain (US Government work) · noaa_iis · source
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, v2026.10.19

Cite the release, v2026.10.19; each dataset's own citation, licence and DOI are on its page. How to cite ↗