Atlantic roughy
Hoplostethus occidentalis Woods, 1973
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.
Atlantic roughy Hoplostethus occidentalis at the base of a large Leiopathes glabberima black coral colony
Ian MacDonald Lophelia II 2009. Deepwater Coral Expedition: Reefs, Rigs, and Wrecks; NOAA OAR/OER · Public domain · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
Hoplostethus occidentalis, more commonly known as the Atlantic roughy or western roughy, is a member of the family Trachichthyidae. It has a wide distribution in the Atlantic Ocean ranging from as far south as Brazil all the way to southern Nova Scotia. It is a deepwater fish, living at depths between 485 and 550 metres (1,591 and 1,804 ft). It can reach lengths of up to 17.3 centimetres (6.8 in) SL.
Wikipedia contributors, Hoplostethus occidentalis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T04:53:32.873110+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Hoplostethus occidentalis Woods, 1973
- Name authority
- Woods, 1973
- Common name
- Atlantic roughy
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Trachichthyiformes
- Family
- Trachichthyidae
- Genus
- Hoplostethus
- 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
- orderTrachichthyiformes
- familyTrachichthyidae Bleeker, 1856
- genusHoplostethus Cuvier, 1829
- speciesHoplostethus occidentalis Woods, 1973
Close classified relatives
These entries share the source’s genus, Hoplostethus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| deep sea perchHoplostethus atlanticus Collett, 1889 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus confinis Kotlyar, 1980 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Thickspine roughyHoplostethus crassispinus Kotlyar, 1980 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus druzhinini Kotlyar, 1986 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus fedorovi Kotlyar, 1986 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus gigas McCulloch, 1914 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus grandperrini Roberts & Gomon, 2012 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus latus McCulloch, 1914 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus melanopterus Fowler, 1938 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus melanopus (Weber, 1913) | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus metallicus Fowler, 1938 | TrachichthyidaeChordata | Accepted speciesExtinction status not supplied |
| Hoplostethus rifti Kotlyar, 1986 | TrachichthyidaeChordata | 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.
- Woods, L. P., & Sonoda, P. M. (1973). Fishes of the western North Atlantic. Order Berycomorphi (Beryciformes). Memoirs of the Sears Foundation of Marine Research Mem., 1 (pt 6): 263–396, 66 figs, 10 tabs. 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.
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:3MN83. Classification follows source parent identifiers. English common names may vary by region.