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zebrafish

[zee-bruh-fish; British also zeb-ruh-]
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noun, plural ze·bra·fish·es, (especially collectively) ze·bra·fish.
  1. a small, slender freshwater fish, Brachydanio rerio, having luminous bluish-black and silvery-gold horizontal stripes: popular in home aquariums.
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Origin of zebrafish

First recorded in 1765–75; zebra + fish
Also called zebra danio.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018