Betta falx

Taxonavigation

Taxonavigation: Anabantoidei
Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Megaclassis: Osteichthyes Superclassis/Classis: Actinopterygii Classis/Subclassis: Actinopteri Subclassis/Infraclassis: Neopterygii Infraclassis: Teleostei Megacohors: Osteoglossocephalai Supercohors: Clupeocephala Cohors: Euteleosteomorpha Subcohors: Neoteleostei Infracohors: Eurypterygia Sectio: Ctenosquamata Subsectio: Acanthomorphata Divisio/Superordo: Acanthopterygii Subdivisio: Percomorphaceae Series: Anabantaria Ordo: Anabantiformes Subordo: Anabantoidei

Familia: Osphronemidae
Subfamilia: Macropodusinae
Genus: Betta
Species: Betta falx

Name

Betta falx Tan & Kottelat, 1998

Holotype: MZB 9308
Paratypes: CMK 11119 (44), MHNG 2593.95 (5), MZB 9307 (4), RMNH 33087 (5), ZMA 121.673 (6), ZRC 38254 (3), ZRC 38571 (44), ZRC 40974 (20), ZRC 42496 (10)

Type locality: Sumatra, Jambi Prov.: Sungai Alai, km 19.5 on Muara Bungo – Muara Tebo road (bridge at Sungai Alai: 1°28’42.6”S 102°18’31.7”E).

Etymology: From the Latin falx, meaning scythe, alluding to the continuous curved shape of the broad anal and caudal distal margins of a male in display. A noun in apposition.

References

Primary references

Tan, H.H. & M. Kottelat, 1998. Redescription of Betta picta (Teleostei: Osphronemidae) and description of B. falx sp. n. from central Sumatra. Revue Suisse de Zoologie v. 105 (no. 3): 557-568. BHL

Additional references

Tan, H.H. & Ng, P.K.L. 2005. The fighting fishes (Teleostei: Osphronemidae: genus Betta) of Singapore, Malaysia and Brunei. Raffles Bulletin of Zoology Suppl. no. 13: 43–99. PDF. Reference page.
Tan, H.H. & Ng, P.K.L. 2005. The labyrinth fishes (Teleostei: Anabanatoidei, Channoidei) of Sumatra, Indonesia. Raffles Bulletin of Zoology Suppl. no. 13: 115–138. PDF. Reference page.

Links

Betta falx – Taxon details on Integrated Taxonomic Information System (ITIS).
Betta falx in Catalog of Fishes, Eschmeyer, W.N., Fricke, R. & van der Laan, R. (eds.) 2024. Catalog of Fishes electronic version, accessed on March 19, 2021.
Betta falx in FishBase,
Froese, R. & Pauly, D. (eds.) 2024. FishBase. World Wide Web electronic publication, www.fishbase.org, version 02/2024, accessed on March 19, 2021.
Betta falx – Taxon details on National Center for Biotechnology Information (NCBI).
IUCN: Betta falx (Least Concern)
Betta falx in the World Register of Marine Species, accessed on March 19, 2021