Betta omega Tan & Ahmad, 2018
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
Betta omega is a species of Anabantoid. It is native to Asia, where it occurs in the state of Johor in Malaysia. The species reaches 14.77 cm (5.8 inches) in total length. It was described in 2018 by Heok Hui Tan (of the National University of Singapore) and Amirrudin B. Ahmad (of the Universiti Malaysia Terengganu) based on its distinctive patterning. It is assessed as critically endangered by the IUCN.
Wikipedia contributors, Betta omega; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:10:42.162409+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Betta omega Tan & Ahmad, 2018
- Name authority
- Tan & Ahmad, 2018
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Anabantiformes
- Family
- Osphronemidae
- Genus
- Betta
- 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
- orderAnabantiformes
- suborderAnabantoidei
- familyOsphronemidae van der Hoeven, 1832
- subfamilyMacropodusinae Hoedeman, 1948
- genusBetta Bleeker, 1850
- speciesBetta omega Tan & Ahmad, 2018
Close classified relatives
These entries share the source’s genus, Betta. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Betta enisae Kottelat, 1995 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta waseri Krummenacher, 1986 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta breviobesa Tan & Kottelat, 1998 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta pi Tan, 1998 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta nuluhon Kamal, Tan & Ng, 2020 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta albimarginata Kottelat & Ng, 1994 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta anabatoides Bleeker, 1851 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta apollon Schindler & Schmidt, 2006 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta aurigans Tan & Lim, 2004 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta bellica Sauvage, 1884 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta brownorum Witte & Schmidt, 1992 | OsphronemidaeChordata | Accepted speciesExtinction status not supplied |
| Betta burdigala Kottelat & Ng, 1994 | OsphronemidaeChordata | 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.
- Hui, T. H., & Ahmad, A. B. (2018). Betta omega, a new species of black water fighting fish (Teleostei: Osphronemidae) from Malaysia. Raffles Bulletin of Zoology, 66, 402–407. 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:D595B. Classification follows source parent identifiers. English common names may vary by region.