Sadko sculpin
Cottunculus sadko Essipov, 1937
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
Cottunculus sadko is a species of marine ray-finned fish belonging to the family Psychrolutidae, the fatheads. This species is found from Greenland to the Norwegian and Kara Seas in the northeast Atlantic Ocean. However, some authorities regard this taxon as a synonym of the Polar sculpin (C. microps).
Wikipedia contributors, Cottunculus sadko; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T03:33:51.770584+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Cottunculus sadko Essipov, 1937
- Name authority
- Essipov, 1937
- Common name
- Sadko sculpin
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Perciformes
- Family
- Psychrolutidae
- Genus
- Cottunculus
- 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
- suborderCottoidei
- familyPsychrolutidae Günther, 1861
- genusCottunculus Collett, 1875
- speciesCottunculus sadko Essipov, 1937
Close classified relatives
These entries share the source’s genus, Cottunculus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Cottunculus konstantinovi Myagkov, 1991 | PsychrolutidaeChordata | Accepted speciesExtinction status not supplied |
| Cottunculus nudus Nelson, 1989 | PsychrolutidaeChordata | Accepted speciesExtinction status not supplied |
| Cottunculus spinosus Gilchrist, 1906 | PsychrolutidaeChordata | 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.
- Essipov, V. K. (1937). On the fishes of the Polar basin and adjacent deepwater regions. Problemy Arktiki: Sbornik Statej, Arkticeskij I Antarkticeskij Naucno-Issledovatel’skij Institut, Glavnogo Uprevlemija Severnogo Morskogo Puti, Ministerstva Morskogo Flota SSSR., 4. 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:YYF5. Classification follows source parent identifiers. English common names may vary by region.