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Oryzias
	Japanese rice fish (O. latipes)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Beloniformes
Family:	Adrianichthyidae
Subfamily:	Oryziinae; Myers,1938
Genus:	Oryzias; D. S. Jordan & Snyder, 1906
Type species
	Poecila latipes; (Temminck & Schlegel, 1846)
Synonyms
	Horaichthys Kulkarni, 1940; Xenopoecilus Regan, 1911;

Oryzias is a genus of ricefishes native to fresh and brackish water in east and south Asia.^[4] Some species are widespread and the Japanese rice fish (O. latipes) is commonly used in science as a model organism, while others have very small ranges and are threatened.^[4] They are small, up to 8 cm (3.1 in) long, and most are relatively plain in colour.^[5]

The genus name Oryzias is a reference to the scientific name for rice, Oryza.^[4]

They have an unusual reproductive behavior where the female facultatively (optionally) carries the eggs in a cluster at the pelvic or anal fins for a period after they have been fertilized.^[4]^[6]

Species

These are the currently recognized species in this genus:^[5]

Oryzias asinua Parenti, Hadiaty, Lumbantobing & Herder, 2013^[7]
Oryzias bonneorum Parenti, 2008^[4]
Oryzias carnaticus Jerdon, 1849
Oryzias celebensis M. C. W. Weber, 1894 (Celebes medaka)
Oryzias curvinotus Nichols & C. H. Pope, 1927
Oryzias dancena F. Hamilton, 1822
Oryzias eversi Herder, Hadiaty & Nolte, 2012^[6]
Oryzias hadiatyae Herder & Chapuis, 2010 (Renny's ricefish)^[8]
Oryzias haugiangensis T. R. Roberts, 1998
Oryzias hubbsi T. R. Roberts, 1998
Oryzias javanicus Bleeker, 1854 (Javanese ricefish)

Oryzias kalimpaaensis Abdul Gani, Novian Suhendra, Herder, Julia Schwarzer, Jan Möhring, Javier Montenegro, Muh. Herjayanto and D. F. Mokodongan. 2022^[9]

Oryzias latipes Temminck & Schlegel, 1846 (Japanese ricefish)

Oryzias loxolepis Hirozumi Kobayashi, D. F. Mokodongan, Mizuki Horoiwa, Shingo Fujimoto, Tanaka, Kawilarang W. A. Masengi and Yamahira. 2023^[10]

Oryzias luzonensis Herre & Ablan, 1934
Oryzias marmoratus Aurich, 1935 (Marmorated medaka)
Oryzias matanensis Aurich, 1935 (Matano medaka)
Oryzias mekongensis Uwa & Magtoon, 1986^[11]
Oryzias melastigma McClelland, 1839
Oryzias minutillus H. M. Smith, 1945 (Dwarf medaka)
Oryzias nebulosus Parenti & Soeroto, 2004^[12]
Oryzias nigrimas Kottelat, 1990 (black buntingi)
Oryzias orthognathus Kottelat, 1990 (Sharp-jawed buntingi)
Oryzias pectoralis T. R. Roberts, 1998
Oryzias profundicola Kottelat, 1990 (Yellow finned medaka)
Oryzias sakaizumii T. Asai, Senou & K. Hosoya, 2012 (Northern medaka)
Oryzias sarasinorum Popta, 1905 (Sarasins minnow)
Oryzias setnai Kulkarni, 1940 (Malabar ricefish)
Oryzias sinensis Y. R. Chen, Uwa & X. L. Chu, 1989
Oryzias soerotoi D. F. Mokodongan, Tanaka & Yamahira, 2014^[13]
Oryzias songkhramensis Magtoon, 2010
Oryzias timorensis M. C. W. Weber & de Beaufort, 1922
Oryzias uwai T. R. Roberts, 1998
Oryzias wolasi Parenti, Hadiaty, Lumbantobing & Herder, 2013^[7]
Oryzias woworae Parenti & Hadiaty, 2010
Oryzias dopingdopingensis Ixchel F. Mandagi, D. F. Mokodongan, Tanaka & Yamahira, 2018^[14]

References

^ Richard van der Laan; William N. Eschmeyer & Ronald Fricke (2014). "Family-group names of Recent fishes". Zootaxa. 3882 (2): 001–230.
^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Oryzias". Catalog of Fishes. California Academy of Sciences. Retrieved 26 July 2019.
^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Addrianichthyidae". Catalog of Fishes. California Academy of Sciences. Retrieved 26 July 2019.
^ ^a ^b ^c ^d ^e Parenti, L.R. (2008). "A phylogenetic analysis and taxonomic revision of ricefishes, Oryzias and relatives (Beloniformes, Adrianichthyidae)". Zoological Journal of the Linnean Society. 154: 494–610. doi:10.1111/j.1096-3642.2008.00417.x.
^ ^a ^b Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Oryzias". FishBase. February 2017 version.
^ ^a ^b Herder, F.; Hadiaty, R. K.; Nolte, A. W. (2012). "Pelvic-fin brooding in a new species of riverine ricefish (Atherinomorpha: Beloniformes: Adrianichthyidae) from Tana Toraja, Central Sulawesi, Indonesia". The Raffles Bulletin of Zoology. 60 (2): 467–476.
^ ^a ^b Parenti, L.R.; Hadiaty, R.K.; Lumbantobing, D.; Herder, F. (2013). "Two New Ricefishes of the Genus Oryzias (Atherinomorpha: Beloniformes: Adrianichthyidae) Augment the Endemic Freshwater Fish Fauna of Southeastern Sulawesi, Indonesia". Copeia. 2013 (3): 403–414. doi:10.1643/ci-12-114.
^ Herder, F. & Chapuis, S. (2010). "Oryzias hadiatyae, a new species of ricefish (Atherinomorpha: Beloniformes: Adrianichthyidae) endemic to Lake Masapi, Central Sulawesi, Indonesia" (PDF). The Raffles Bulletin of Zoology. 58: 269–280.
^ Abdul Gani, Novian Suhendra, Fabian Herder, Julia Schwarzer, Jan Möhring, Javier Montenegro, Muh. Herjayanto and Daniel F. Mokodongan. 2022. A New Endemic Species of Pelvic-brooding Ricefish (Beloniformes: Adrianichthyidae: Oryzias) from Lake Kalimpa’a, Sulawesi, Indonesia. Bonn Zoological Bulletin. 71(1); 77-85. DOI: 10.20363/bzb-2022.71.1.077; zoologicalbulletin.de/BzB_Volumes/Volume_71_1/077_mokodongan_20220630.pdf https://zoologicalbulletin.de/articles/online-first
^ Hirozumi Kobayashi, Daniel F. Mokodongan, Mizuki Horoiwa, Shingo Fujimoto, Rieko Tanaka, Kawilarang W. A. Masengi and Kazunori Yamahira. 2023. A New lacustrine Ricefish from central Sulawesi, with A Redescription of Oryzias marmoratus (Teleostei: Adrianichthyidae). Ichthyological Research. DOI: 10.1007/s10228-023-00908-2
^ Uwa, H. & Magtoon, W. (1986). "Description and karyotype of a new ricefish, Oryzias mekongensis, from Thailand". Copeia. 51: 473–478. doi:10.2307/1445005. JSTOR 1445005.
^ Parenti, L. R. & B. Soeroto. (2004). "Adrianichthys roseni and Oryzias nebulosus, two new ricefishes (Atherinomorpha: Beloniformes: Adrianichthyidae) from Lake Poso, Sulawesi, Indonesia". Ichthyological Research. 51: 10–19. doi:10.1007/s10228-003-0187-1.
^ Mokodongan, D.F.; Tanaka, R.; Yamahira, K. (2014). "A New Ricefish of the Genus Oryzias (Beloniformes, Adrianichthyidae) from Lake Tiu, Central Sulawesi, Indonesia". Copeia. 2014 (3): 561–567. doi:10.1643/ci-13-081.
^ Mandagi, I.F.; Mokodongan, D.F.; Tanaka, R.; Yamahira, K. (2018). "A New Riverine Ricefish of the Genus Oryzias (Beloniformes, Adrianichthyidae) from Malili, Central Sulawesi, Indonesia". Copeia. 2018 (106): 297–304. doi:10.1643/CI-17-704.