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da·ni·o

 (dā′nē-ō′)
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.]

danio

(ˈdeɪnɪˌəʊ)
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]

dan•i•o

(ˈdeɪ niˌoʊ)

n., pl. -i•os.
any tropical Asiatic minnow of the genera Danio or Brachydanio.
[1880–85; < New Latin]
References in periodicals archive ?
Temperature tolerances of wild-type and red transgenic zebra danios.
The 24 h LC25, LC50, and LC75 values for C-9500A exposure for 3 (hours post fertilization) embryos of the teleost model Danio rerio (Hamilton, 1822) exposed to C-9500A at the standard husbandry temperature of 28.
The freshwater fish, known as pygmy glass danios, measure just 10mm when fully grown - that is barely larger than a grain of rice.
After acclimating a total of four fish for each tank (two Zebra Danios and two Leopard Danios), Katie allowed the nitrogen cycle to take its course for four to six weeks.
The Girl wanted to switch off the fish, but I felt that our Zebra Danios and Port Hoplo catfish should not be asked to give up their source of warmth and light for our principles.
It is likely that glofish will be released into nature, just as the popular aquarium wildtype zebra danios (Danio rerio) have been found outside captivity in California, Florida, Connecticut, New Mexico and Wyoming (Courtenay, 1993; Nico and Fuller, 2003).
Two rare Sumatran tigers (indigenous to Indonesia but born in captivity) live beside a pool where tinfoil barbs, Bengal danios, and scissortailed rasboras swim.
Ideal fish for beginners are goldfish, danios, angelfish and colorful bettas.