largemouth bass

American  

[lahrj-mouth bas] / ˈlɑrdʒˌmaʊθ ˈbæs /

Or large-mouth bass

noun

1. a North American freshwater game fish, Micropterus salmoides, having an upper jaw extending behind the eye and a broad, dark, irregular stripe along each side of the body.

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largemouth bass British  

/ ˈlɑːdʒˌmaʊθ ˈbæs /

noun

1. a common North American freshwater black bass, Micropterus salmoides: a popular game fish

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Etymology

Origin of largemouth bass

An Americanism dating back to 1875–80; large + mouth

Compare meaning

How does largemouth-bass compare to similar and commonly confused words? Explore the most common comparisons:

• smallmouth bass vs. largemouth bass

Example Sentences

See Examples For:

largemouth bass

Fish species affected included largemouth bass, black crappie, bluegill, channel catfish, flathead catfish, and stocked species such as brown trout and rainbow trout.

From Science Daily ● Jun. 18, 2026

Precisely the opposite is true: The bigger threat to the state’s salmon population is the presence of striped and largemouth bass, aggressive fish species that were introduced to California in the late 19th century.

From The Wall Street Journal ● Apr. 17, 2026

But now the species faces a new threat: non-native largemouth bass — a voracious predator of humpback chub — who thrive in the warmer water that's being released from the diminished reservoir.

From Salon ● Oct. 19, 2022

It was the largemouth bass staring up at him from his sink that first sparked Flynn’s imagination.

From Seattle Times ● May 11, 2022

I caught and released some largemouth bass and a batch of bluegills in the pond shortly after it was built.

From "On the Far Side of the Mountain" by Jean Craighead George