Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
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: Ovalentaria
Superordo: Atherinomorphae
Ordo: Beloniformes
Subordo: Adrianichthyoidei
Familia: Adrianichthyidae
Genera (3): Adrianichthys – Oryzias – ?†Lithopoecilus
Name
Adrianichthyidae Weber, 1913
References
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. PDF
Wainwright, P.C., Smith, W.L., Price, S.A., Tang, K.L., Ferry, L.A., Sparks, J.S. & Near, T.J. 2012. The evolution of pharyngognathy: a phylogenetic and functional appraisal of the pharyngeal jaw key innovation in labroid fishes and beyond. Systematic biology 61(6): 1001–1027. (PDF) DOI: 10.1093/sysbio/sys060 Reference page.
Vernacular names
čeština: Medakovití
English: Ricefish
한국어: 송사리과
polski: kaczorkowate
ไทย: ปลาซิวข้าวสาร, ปลาในนาข้าว
The ricefishes are a family (Adrianichthyidae) of small ray-finned fish that are found in fresh and brackish waters from India to Japan and out into the Malay Archipelago, most notably Sulawesi (where the Lake Poso and Lore Lindu species are known as buntingi).[1] The common name ricefish derives from the fact that some species are found in rice paddies.[2] This family consists of about 37 species in two genera (some recognize a third, Xenopoecilus). Several species are rare and threatened, and some 2–4 may already be extinct.[1][3]
Description
Most of these species are quite small, making them of interest for aquaria. Adrianichthys reach lengths of 8.5–17.1 cm (3.3–6.7 in) depending on the exact species involved,[4] while the largest Oryzias reaches up to 8 cm (3.1 in). Most Oryzias species are less than a half this length, with the smallest being up to only 1.6 cm (0.63 in) long.[5] They have a number of distinctive features, including an unusual structure to the jaw, and the presence of an additional bone in the tail.[2] The Japanese rice fish (O. latipes), also known as the medaka, is a popular model organism used in research in developmental biology. This species has traveled into space, where they have the distinction of being the first vertebrate to mate and produce healthy young in space.[6]
Genetic study of the family suggests that it originally evolved on Sulawesi and spread from there to the Asian mainland; the supposed genus Xenopoecilus are apparently unrelated, morphologically divergent species of Oryzias.[7]
Taxonomy
The ricefish were formerly classified within the order Cyprinodontiformes but in the 1980s workers showed that they were a monophyletic grouping, mainly based on the characters on the bones of the gill arches and the hyoid apparatus, within the Beloniformes as the family Adrianichthyidae, this family making up one of the three suborders of the Beloniformes, the Adrianichthyoidei. Since then some workers have placed them in the Cyprinodontiformes but more recently molecular studies have supported their placement in the Beloniformes.[8]
History
Ricefish are believed to have been kept as aquarium fishes since the 17th century. The Japanese ricefish was one of the first species to be kept and it has been bred into a golden color, from their original white coloring.[6]
Reproduction
As with most fish, ricefish typically spawn their eggs, which are fertilised externally. However, some species, including the Japanese ricefish, are known to fertilise the eggs internally, carrying them inside the body as the embryo develops. The female then lays the eggs just before they hatch. Several other species carry their eggs attached to the body between their pelvic fins.[2]
References
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.
Parenti, Lynne R. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. p. 152. ISBN 0-12-547665-5.
http://www.redorbit.com/education/reference_library/science_1/fish/2578402/ricefish/
Froese, Rainer and Pauly, Daniel, eds. (2017). Species of Adrianichthys in FishBase. February 2017 version.
Froese, Rainer and Pauly, Daniel, eds. (2017). Species of Oryzias in FishBase. February 2017 version.
http://www.tfhmagazine.com/details/articles/the-ricefish-an-odd-and-interesting-group-full-article.htm
Takehana et al., 2005
J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 363–364. ISBN 978-1-118-34233-6.
Froese, Rainer, and Daniel Pauly, eds. (2008). "Adrianichthyidae" in FishBase. November 2008 version.
Takehana, Yusuke; Naruse, Kiyoshi & Sakaizumi, Mitsuru (2005): Molecular phylogeny of the medaka fishes genus Oryzias (Beloniformes: Adrianichthyidae) basedon the
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