Hymenocephalus lethonemus Jordan & Gilbert, 1904
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Open encyclopedia reference
Hymenocephalus lethonemus is a species of rattail. It occurs at depths of up to 485 m (1591 ft) in the waters off southern Japan, the Philippines and northern Taiwan.
This is a small, slender rattail with a total length of up to 14 cm (5.1 in). It has a fairly long, sharp snout, small eyes, a large mouth and no chin barbel. There is a long bioluminescent organ with two external lenses just in front of the anus.
Wikipedia contributors, Hymenocephalus lethonemus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:50:33.564800+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Hymenocephalus lethonemus Jordan & Gilbert, 1904
- Name authority
- Jordan & Gilbert, 1904
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Gadiformes
- Family
- Macrouridae
- Genus
- Hymenocephalus
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: yes · Freshwater: no · Terrestrial: no. These do not form a complete habitat description.
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- gigaclassActinopterygii
- superclassActinopteri
- classTeleostei
- orderGadiformes
- familyMacrouridae Bonaparte, 1831
- subfamilyMacrourinae Bonaparte, 1831
- genusHymenocephalus Giglioli, 1884
- speciesHymenocephalus lethonemus Jordan & Gilbert, 1904
Close classified relatives
These entries share the source’s genus, Hymenocephalus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Hymenocephalus antraeus Gilbert & Cramer, 1897 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus barbatulus Gilbert & Hubbs, 1920 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus grimaldii Weber, 1913 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus hachijoensis Okamura, 1970 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| glasshead grenadierHymenocephalus italicus Giglioli, 1884 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus longipes Smith & Radcliffe, 1912 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus maculicaudus McMillan & Iwamoto, 2014 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus torvus Smith & Radcliffe, 1912 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus megalops Iwamoto & Merrett, 1997 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus iwamotoi Schwarzhans, 2014 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus aeger Gilbert & Hubbs, 1920 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Hymenocephalus aterrimus Gilbert, 1905 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Hymenocephalus lethonenmus Jordan & Gilbert, 1904 Jordan & Gilbert, 1904 | synonym |
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- Jordan, D. S.; Starks E. C. (1904). List of fishes dredged by the steamer Albatross off the coast of Japan in the summer of 1900, with descriptions of new species and a review of the Japanese Macrouridae. Bulletin of the U. S. Fish Commission, v. 22 [1902]: 577–630, Pls. 1–8. Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:3NJ96. Classification follows source parent identifiers. English common names may vary by region.