: a small fish (such as a golden shiner or menhaden) that attracts and is a food source for a larger game fish
also : a fish used for bait

Examples of baitfish in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As waters warm, baitfish like sardines and anchovies often move deeper or farther north in search of cooler temperatures. Denis Akbari, USA Today, 24 July 2026 This technique presents the illusion of two struggling baitfish simultaneously — one on the surface and the other just below. Joe Cermele, Outdoor Life, 23 July 2026 Most are from blacktip sharks, animals about six feet long that bite not out of hunger but confusion, in murky water, chasing baitfish and usually mistaking a swimmer’s foot for prey. Kate Waxman, Sun Sentinel, 19 July 2026 And though extreme rainfall may help attract baitfish closer to shore, the influx of fresh water lowers salinity levels, driving some shark species away. Sam Nichols, Scientific American, 8 July 2026 See All Example Sentences for baitfish

Word History

First Known Use

1755, in the meaning defined above

Time Traveler
The first known use of baitfish was in 1755

Browse Nearby Words

Cite this Entry

“Baitfish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/baitfish. Accessed 5 Aug. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!