naked-head toothfish
Gvozdarus svetovidovi Balushkin, 1989
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
Gvozdarus svetovidovi, the naked-head toothfish, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is found in the Ross and Cooperation Seas, probably south of the Antarctic Polar Front from pelagic waters down to depths of 550 m (1,804 ft), though it is normally found in a pelagic environment.
Wikipedia contributors, Gvozdarus svetovidovi; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T07:47:07.132323+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Gvozdarus svetovidovi Balushkin, 1989
- Name authority
- Balushkin, 1989
- Common name
- naked-head toothfish
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Perciformes
- Family
- Nototheniidae
- Genus
- Gvozdarus
- 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
- orderPerciformes
- suborderNotothenioidei
- familyNototheniidae Günther, 1861
- subfamilyPleuragrammatinae Andersen & Hureau, 1979
- genusGvozdarus Balushkin, 1989
- speciesGvozdarus svetovidovi Balushkin, 1989
Close classified relatives
These entries share the source’s genus, Gvozdarus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Gvozdarus balushkini Voskoboinikova & Kellermann, 1993 | NototheniidaeChordata | Accepted speciesExtinction status not supplied |
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.
- Balushkin, A. V. (1989). Gvozdarus svetovidovi gen. et sp. n. (Pisces, Nototheniidae) from the Ross Sea (Antarctic). Zoologicheskii Zhurnal, 68 (1): 83–88. [In Russian, English summary.]. 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:3HNJL. Classification follows source parent identifiers. English common names may vary by region.