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627 Featured Specimen
Largemouth bass

Details

Largemouth bass

Micropterus salmoides

Size
25–97 cm · 0.3–10 kg
Diet
Carnivore
Activity
Diurnal
Sociality
Solitary
Lifespan

A North American freshwater sunfish with a huge mouth, famous in sport fishing and as an ambush predator.

Range

Habitat range map
Native range Occasional / Transient
PalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticPalearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticNearcticAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasianAustralasian

Map: Ecoregions 2017 © RESOLVE (CC BY 4.0) · Natural Earth (PD)

Details

Habitat

Lives in lakes, ponds, reservoirs, and slow rivers, especially around vegetation, logs, rocks, and other ambush cover.

Appearance

The body is greenish brown with a dark lateral band. The upper jaw extends behind the eye when the mouth is closed.

Behavior

It waits alone near cover and rushes at nearby prey. Males guard nests and young fry.

Feeding

It eats fish, crayfish, frogs, aquatic insects, and occasionally small birds or mammals, relying on ambush strikes.

Reproduction

In spring, males build shallow nests and guard eggs and fry. Water temperature strongly affects timing.

Notes

Introduced populations can put strong predation pressure on native fishes and amphibians.