Homostolus acer Smith & Radcliffe, 1913
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
The filament cusk (Homostolus acer) is a species of cusk-eel found in the western Pacific Ocean from the waters off of Japan to Australia and New Caledonia where it occurs at depths of from 300 to 1,000 metres (980 to 3,280 ft). This species grows to a length of 18.4 centimetres (7.2 in) SL and is of minor importance to commercial fisheries. It is the only known member of its genus.
Wikipedia contributors, Filament cusk; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:49:29.564527+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Homostolus acer Smith & Radcliffe, 1913
- Name authority
- Smith & Radcliffe, 1913
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Ophidiiformes
- Family
- Ophidiidae
- Genus
- Homostolus
- 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
- orderOphidiiformes
- familyOphidiidae Rafinesque, 1810
- subfamilyNeobythitinae Radcliffe, 1913
- genusHomostolus Smith & Radcliffe, 1913
- speciesHomostolus acer Smith & Radcliffe, 1913
Close classified relatives
No other member of this genus is present in the selected snapshot.
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Homostolus japonicus Matsubara, 1943 Matsubara, 1943 | 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.
- Radcliffe, L. (1913). Descriptions of seven new genera and thirty-one new species of fishes of the families Brotulidae and Carapidae from the Philippine Islands and the Dutch East Indies. [Scientific results of the Philippine cruise ... “Albatross,” 1907-1910.--No. 24.]. Proceedings of the United States National Museum, v. 44 (no. 1948): 135–176, Pls. 7–17. https://doi.org/10.5479/si.00963801.44-1948.135 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:3MHWH. Classification follows source parent identifiers. English common names may vary by region.