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or zebra fish (zē′brə-fĭsh)
n. pl. zebrafish or ze·bra·fish·es or zebra fish or zebra fish·es
A small freshwater fish (Danio rerio) of South Asia that has horizontal dark blue and silvery stripes, is popular in home aquariums, and is used as a model organism in the study of developmental biology and medical genetics. Also called zebra danio.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Animals) an Indian tropical fish with dark blue and silvery stripes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈzi brəˌfɪʃ; Brit. also ˈzɛb rə-)

n., pl. -fish•es, (esp. collectively) -fish.
a thin freshwater minnow, Brachydaniorerio, of India, having luminous blue and gold horizontal stripes.
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