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danio

[dey-nee-oh]
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noun, plural da·ni·os.
  1. any of several cyprinid fishes of the genera Danio and Brachydanio, of India and Sri Lanka, often kept in aquariums.
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Origin of danio

Borrowed into English from New Latin around 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for danio

danio

noun plural -os
  1. any brightly coloured tropical freshwater cyprinid fish of the genus Danio and related genera: popular aquarium fishes
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Word Origin

C19: from New Latin, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012