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Olyra
	Olyra longicaudata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Bagridae
Genus:	Olyra; McClelland, 1842
Type species
	Olyra longicaudatus; McClelland, 1842

Olyra is a genus of catfishes of the family Bagridae. This genus occurs throughout South Asia and western Indochina, from India to western Thailand.^[1]

In Asia, Olyra species are known as fighting catfish; they are placed in small aquaria to battle one another similar to Siamese fighting fish, and money is bet on the outcome.^[2]

Taxonomy

The genus Olyra is considered by some authorities to belong to the family Bagridae, though Olyridae is considered valid by Fishbase.^[3] The taxonomic status of O. colletii has been a puzzle. It was first described in 1881 by Franz Steindachner as Heptapterus collettii and marked as neotropical in origin. With examination, though, it was determined to more closely match members of Olyra. It may even be a junior synonym of Olyra longicaudata.^[1] O. kempi is treated in some literature as a synonym of O. longicaudata.^[4]

Species

There are currently 8 recognized species in this genus:

Olyra astrifera Arunachalam, Raja, Mayden & Chandran, 2013
Olyra burmanica F. Day, 1872 (Long-tail catfish)
Olyra collettii (Steindachner, 1881)
Olyra horae (Prashad & Mukerji, 1929)
Olyra kempi Chaudhuri, 1912
Olyra longicaudata McClelland, 1842
Olyra praestigiosa H. H. Ng & Ferraris, 2016 ^[5]
Olyra saginata H. H. Ng, Lalramliana & Lalthanzara, 2014 ^[6]

References

^ ^a ^b Bockmann, F.A.; de Pinna, M.C.C. (2004). "Heptapterus collettii Steindachner, 1881: A Member of the Asian Bagrid Genus Olyra Erroneously Assigned to the Neotropical Fauna (Siluriformes: Ostariophysi)". Copeia. 2004 (3): 665–675. doi:10.1643/ci-03-198r1.
^ Linder, R.S. (2000). "The Catfishes of Asia Family Bagridae: part two" (PDF). Cat Chat. 1 (2): 1–6. Archived from the original (PDF) on 2007-08-20.
^ Froese, Rainer; Pauly, Daniel (eds.). "Family Olyridae". FishBase. October 2015 version.
^ Ferraris, C.J.Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa. 1418: 1–628.
^ Ng, H.H. & Ferraris, C.J.Jr. (2016): A new species of anguilliform catfish (Actinopterygii: Siluriformes: Bagridae) from Bangladesh and northeastern India. Zootaxa, 4079 (3): 381-387.
^ Ng, H.H.; Lalramliana; Lalthanzara, H. (2014). "Olyra saginata, a new species of bagrid catfish (Actinopterygii: Siluriformes) from northeastern India". Zootaxa. 3821 (2): 265–272. doi:10.11646/zootaxa.3821.2.6.