Cast Gill

Smallmouth Bass

Micropterus dolomieu · Centrarchidae

About this fish

Spawning
April, May and June
Largest length
up to 69 cm (27 inches)
Lifespan
up to 15 years
Matures at
about 3.5 years old

Values come from a national database of the United States, not Wisconsin surveys: maximum length is the species' largest recorded anywhere, and spawning months are range-wide (Wisconsin timing, in a colder climate, can be later).

USGS FishTraits 14.3 (CC0). Credit: Frimpong and Angermeier, U.S. Geological Survey.

2,450 open records of this fish in Wisconsin were used here.

Lakes where it has been stocked

Stocking shows what was added to a lake, not what lives in it.

Showing 12 of 25 lakes

Lakes where it has been recorded

From open fish survey and museum records. A record shows the fish was found near the lake in that year, not that it is there now.

Showing 12 of 269 lakes