Risso's smooth-head
Alepocephalus rostratus Risso, 1820
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
Alepocephalus rostratus, Risso's smooth-head, is a species of marine ray-finned fish belonging to the family Alepocephalidae, the slickheads. This is a deep water species found in the Eastern Atlantic Ocean.
Wikipedia contributors, Alepocephalus rostratus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T07:41:28.726642+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Alepocephalus rostratus Risso, 1820
- Name authority
- Risso, 1820
- Common name
- Risso's smooth-head
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Alepocephaliformes
- Family
- Alepocephalidae
- Genus
- Alepocephalus
- 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
- orderAlepocephaliformes
- familyAlepocephalidae Bonaparte, 1846
- genusAlepocephalus Risso, 1820
- speciesAlepocephalus rostratus Risso, 1820
Close classified relatives
These entries share the source’s genus, Alepocephalus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Alepocephalus blanfordii Alcock, 1892 | AlepocephalidaeChordata | Accepted speciesExtinction status not supplied |
| Alepocephalus owstoni Tanaka, 1908 | AlepocephalidaeChordata | Accepted speciesExtinction status not supplied |
| Agassiz' smoothheadAlepocephalus agassizii Goode & Bean, 1883 | AlepocephalidaeChordata | Accepted speciesExtinction status not supplied |
| Alepocephalus antipodianus (Parrott, 1948) | AlepocephalidaeChordata | Accepted speciesExtinction status not supplied |
| Baird's smooth-headAlepocephalus bairdii Goode & Bean, 1879 | AlepocephalidaeChordata | Accepted speciesExtinction status not supplied |
| Alepocephalus dentifer Sazonov & Ivanov, 1979 | AlepocephalidaeChordata | Accepted speciesExtinction status not supplied |
| Alepocephalus fundulus Garman, 1899 | AlepocephalidaeChordata | Accepted speciesExtinction status not supplied |
| Alepocephalus longiceps Lloyd, 1909 | AlepocephalidaeChordata | Accepted speciesExtinction status not supplied |
| Alepocephalus planifrons Sazonov, 1993 | AlepocephalidaeChordata | Accepted speciesExtinction status not supplied |
| Alepocephalus convexifrons Garman, 1899 | AlepocephalidaeChordata | 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 |
|---|---|
| Alepocphalus rostratus Risso, 1820 Risso, 1820 | 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.
- Risso, A. (1820). Mémoire sur un nouveau genre de poisson nommé Alépocéphale vivant dans les grandes profondeurs de la mer de Nice. Memorie Della Reale Accademia Delle Scienze Di Torino, v. 25: 270–272, Pl. 10 (fig. 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:667PL. Classification follows source parent identifiers. English common names may vary by region.