white margin unicornfish
Naso annulatus (Quoy & Gaimard, 1825)
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.
Image of Whitemargin unicornfish. Naso annulatus. Taken off Bunaken Island, North Sulawesi, Indonesia.
Jens Petersen · CC BY 2.5 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
The whitemargin unicornfish (Naso annulatus), also known as the ringtailed unicornfish or short-horned unicorn-fish, is a tropical fish found throughout the Indo-Pacific. It can reach a length of 100 cm, making it one of the largest members of the family Acanthuridae.
Wikipedia contributors, Whitemargin unicornfish; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T11:00:42.542631+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Naso annulatus (Quoy & Gaimard, 1825)
- Name authority
- (Quoy & Gaimard, 1825)
- Common name
- white margin unicornfish
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Acanthuriformes
- Family
- Acanthuridae
- Genus
- Naso
- 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
- orderAcanthuriformes
- familyAcanthuridae Bonaparte, 1835
- genusNaso Lacepède, 1801
- speciesNaso annulatus (Quoy & Gaimard, 1825)
Close classified relatives
These entries share the source’s genus, Naso. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| spotted unicornfishNaso brevirostris (Cuvier, 1829) | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| Naso caeruleacauda Randall, 1994 | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| Naso caesius Randall & Bell, 1992 | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| Naso elegans (Rüppell, 1829) | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| orangespine unicornfishNaso lituratus (Forster, 1801) | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| Naso maculatus Randall & Struhsaker, 1981 | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| Naso reticulatus Randall, 2001 | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| oneknife unicornfishNaso thynnoides (Cuvier, 1829) | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| Naso tonganus (Valenciennes, 1835) | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| humpnose unicornfishNaso tuberosus Lacepède, 1801 | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| Blue-spine nosefishNaso unicornis (Forsskål, 1775) | AcanthuridaeChordata | Accepted speciesExtinction status not supplied |
| sleek unicornfishNaso hexacanthus (Bleeker, 1855) | AcanthuridaeChordata | 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 |
|---|---|
| Naso annularis (Quoy & Gaimard, 1825) (Quoy & Gaimard, 1825) | synonym |
| Priodon annulatus Quoy & Gaimard, 1825 Quoy & Gaimard, 1825 | synonym |
| Naso herrei Smith, 1966 Smith, 1966 | 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.
- https://www.marinespecies.org/aphia.php?p=taxdetails&id=219673 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:45QFZ. Classification follows source parent identifiers. English common names may vary by region.