zebrafish

American  

[zee-bruh-fish, zeb-ruh-] / ˈzi brəˌfɪʃ, ˈzɛb rə- /

noun

zebrafishes, plural zebrafish plural

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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Other Word Forms

Noun Inflected Forms

• zebrafish
  plural
• zebrafishes
  plural

Etymology

Origin of zebrafish

First recorded in 1765–75; zebra + fish

Example Sentences

See Examples For:

zebrafish

Finally, they tested the model in zebrafish and found similar results, suggesting the mechanism may operate across brains of different sizes.

From Science Daily ● Jun. 25, 2026

To investigate how the brain turns social information into action, the researchers used zebrafish, a model organism that allows scientists to monitor brain activity at the level of individual cells.

From Science Daily ● Jun. 2, 2026

"It showed us that there are universal, unifying genetic programs that are driving regeneration in very different types of organisms, salamanders, zebrafish and mice."

From Science Daily ● May 9, 2026

To better understand how the drugs work, researchers tested them in both rats and zebrafish larvae.

From Science Daily ● Apr. 22, 2026

It works effectively in mice and zebrafish, supports recordings that last for hours, and does not require any external light source.

From Science Daily ● Dec. 19, 2025