Acantopsis dialuzona Van Hasselt, 1823
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
Acantopsis dialuzona is a loach native to the swift, clear streams and rivers of mainland and archipelagic Southeast Asia, Indonesia, Peninsular Malaysia, Thailand, but Southeast Asia outside its range, including as Acantopsis. A. choirorhynchos because of the lack of taxonomic resolution in Acantopsis. It can also be found in flooded fields.
The horseface loach or horsehead loach, formerly known as Acantopsis choirorhynchos, is now recognized as belonging to this species.
Wikipedia contributors, Acantopsis dialuzona; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T18:56:17.866796+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Acantopsis dialuzona Van Hasselt, 1823
- Name authority
- Van Hasselt, 1823
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Cypriniformes
- Family
- Cobitidae
- Genus
- Acantopsis
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: no · Freshwater: yes · 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
- orderCypriniformes
- familyCobitidae Swainson, 1838
- subfamilyCobitinae Swainson, 1838
- genusAcantopsis van Hasselt, 1823
- speciesAcantopsis dialuzona Van Hasselt, 1823
Close classified relatives
These entries share the source’s genus, Acantopsis. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Acantopsis thiemmedhi Sontirat, 1999 | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Acantopsis spectabilis (Blyth, 1860) | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Acantopsis ioa Boyd & Page, 2017 | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Acantopsis rungthipae Boyd, Nithirojpakdee & Page, 2017 | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Acantopsis multistigmatus Vishwanath & Laisram, 2005 | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Acantopsis octoactinotos Siebert, 1991 | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Acantopsis dinema Boyd & Page, 2017 | CobitidaeChordata | 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 |
|---|---|
| Acanthopsis biaculeata Rüppell, 1852 Rüppell, 1852 | synonym |
| Acanthopsis choerorhynchus (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Acanthopsis choirorhynchos (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Acanthopsis choirorhynchus (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Acantopsis biaculeata Rüppell, 1852 Rüppell, 1852 | synonym |
| Cobitis macrorhynchos Bleeker, 1854 Bleeker, 1854 | synonym |
| Acantopsis choirorhynchos (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Acanthopsis choirorrhynchus (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Cobitis choirorhynchos Bleeker, 1854 Bleeker, 1854 | 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.
- van Hasselt, J. C. (1823). Uittreksel uit een’ brief van den Heer J. C. van Hasselt, aan den Heer C. J. Temminck, geschreven uit Tjecande, Residentie Bantam, den 28sten December 1822. Algemeene Konst- En Letter-Bode Voor Het Jaar II Deel, (no. 35): 130–133. 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:64FSG. Classification follows source parent identifiers. English common names may vary by region.