Fishing reports and lake information for Minnesota, Michigan, Wisconsin, Illinois, Ohio, Indiana, North Dakota and South Dakota
Fish Identification

Largemouth Bass

Windsor Nature Discovery
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Largemouth Bass
Fish image provided under agreement from Windsor Nature Discovery, LLC. Fish image created by Ron Pittard.
Common Name: Largemouth Bass

Scientific Name: Micropterus Salmoides

Fish Family: Centrarchidae

Other Names: black bass, largemouth, bigmouth, linesides, Oswego bass, green bass, green trout, Florida bass, Florida largemouth, southern largemouth, northern largemouth

Largemouth Bass Photos:

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Largemouth Bass caught by Fishing Fanatics Largemouth Bass caught by doug arendt Largemouth Bass caught by Frank Bruner Largemouth Bass caught by Andrew Bo Largemouth Bass caught by Adam Palazzo
State Fish For: Indiana


Back and head dark green to light green; ides lighter; belly and ventral region of head whitish. A prominent lateral stripe from snout through eye to base of tail, interrupted anteriorly as a series of blotches of varying diameters, and becoming a solid, even stripe on caudal peduncle (in young-of-year, stripe appearing as a series of vertical blotches). Streaks on each side of head, radiating backward from snout or eye either faint or absent; dark opercle spot about size of pupil of eye. Eye golden brown. Vertical fins lightly pigmented, paired fins generally clear; caudal fin alike in young and adult, without the bright colors of the smallmouth young. Adults from mud-bottom lakes are dark olive brown to black, with markings hardly discernible.
The largemouth bass occurs in all three drainage basins in Wisconsin (Lake Michigan, Mississippi River, and Lake Superior); it is least widespread in the driftless area of southwestern Wisconsin. Wisconsin is near the northern limit limit of distribution, and it has been suggested that its presence in the state, especially in the northern counties, resulted from introductions.
The spawning of largemouth bass in Wisconsin occurs from late April to early July. The selection of nest sites begin when water temperatures reach 60º F, and eggs are laid when the water temperatures are at 62-65º F. The male largemouth bass usually selects a sand or gravel bottom upon which to build a nest; however, the fish will also nest on soft bottoms, where they are able to expose such hard objects as roots, twigs, and snail shells on which to deposit the eggs. Territorial defense against intruders is practiced by the largemouth bass as it is by other sunfishes.
Angling Methods:
Largemouth bass will bite on almost anything. They can be caught on minnows, worms, or other live bait, plus poppers or streamers presented with a fly rod, or plugs thrown from a casting or spinning rod. Because the bass is usually associated with weeds, a weedless bait will often be necessary. Best fishing times are early morning and evening during the warm months. Bass like warm water and warm weather. Few bite in the winter.

State Largemouth Bass Records:

  • Illinois State Record:
    13 lbs 1 ozs caught by Edward J. Walbel caught on Stone Quarry Lk. on February 15, 1976.
  • Indiana State Record:
    14 lbs 12 ozs caught by Jenifer Schultz caught on Lake on January 1, 1991.
  • Iowa State Record:
    10 lbs 14 ozs caught by Patricia Zaerr caught on Lake Fisher on May 1, 1984.
  • Michigan State Record:
    11 lbs 15 ozs caught by William Maloney caught on Big Pine Island Lake, Kent County on January 1, 1934.
  • Michigan State Record:
    11 lbs 15 ozs caught by Jack Rorex caught on Bamfield Dam on January 1, 1959.
  • Minnesota State Record:
    8 lbs 8 ozs caught on Tetonka Lake, Le Sueur County on October 22, 1994.
  • Wisconsin State Record:
    11 lbs 3 ozs caught on Ripley Lake, Jefferson County on October 12, 1940.
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