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Species · accepted · checked 2026-08-05

Cyclothone acclinidens

Benttooth bristlemouth

WoRMS 127282ITIS 162172GBIF 2347458key worms:127282
i

2026-08-05: itis_id 162172 via WoRMS external link

Silhouette · Yan Wong · CC0 1.0 · PhyloPic, drawn from Malacosteus niger
Benttooth bristlemouth6.5 cm
US quarter2.4 cm

max · worms_attribute

Photograph of Cyclothone acclinidens
Photo · MarineSci12 · CC BY-SA 4.0 · inat

Cyclothone acclinidens, commonly known as the benttooth bristlemouth, is a species of bristlemouth. It is found in the Atlantic, Pacific, and Indian Oceans.W CalCOFI holds 736 observations of it in 2 datasets between 1959 and 2023, as larva.R

736
observations
736
records
736
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 710 obs · 710 events · 1959–2023 · larva
    name used: Cyclothone acclinidens Benttooth bristlemouth · code 77
  • Mesopelagic Fish 26 obs · 26 events · 2010–2012
    name used: Cyclothone acclinidens · code Cyclothone acclinidens

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:127282%22