Oryzias

Oryzias
Japanese rice fish (O. latipes)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Beloniformes
Family: Adrianichthyidae
Subfamily: Oryziinae
Myers,1938[1]
Genus: Oryzias
D. S. Jordan & Snyder, 1906
Type species
Poecila latipes
Synonyms[3]
  • 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]

  1. ^ Richard van der Laan; William N. Eschmeyer & Ronald Fricke (2014). "Family-group names of Recent fishes". Zootaxa. 3882 (2): 001–230.
  2. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Oryzias". Catalog of Fishes. California Academy of Sciences. Retrieved 26 July 2019.
  3. ^ 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.
  4. ^ a b c d 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.
  5. ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Oryzias". FishBase. February 2017 version.
  6. ^ 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.