Also found in: Encyclopedia, Wikipedia.
n. pl. da·ni·os
Any of various small, often brightly colored freshwater fishes of the genera Danio and Devario, native to South and Southeast Asia and popular as aquarium fish.
[New Latin Daniō, genus name, from Bengali dhānī, danio, any of various small cyprinid fish, from dhānī, of the rice field, of unhusked rice, very small, from dhān, growing rice, unhusked rice, from Middle Indic dhaṇṇa, from Sanskrit dhānya-, of or from grain, from dhānāḥ, grain; akin to Lithuanian duona, bread, and Tocharian B tāno, seed, grain.]
n, pl -os
(Animals) any brightly coloured tropical freshwater cyprinid fish of the genus Danio and related genera: popular aquarium fishes
[C19: from New Latin, of obscure origin]
n., pl. -i•os.
any tropical Asiatic minnow of the genera Danio or Brachydanio.
[1880–85; < New Latin]