Largemouth Bass


Other Common Names:

Bigmouth bass, bucketmouth bass, openmouth bass, hog, hawg, lineside, bigmouth trout, green trout, green bass, Oswego bass, Welshman, slough bass, lake bass


Scientific Name:

Micropterus salmoides



Feeds on fish, insects, crayfish, frogs, and tadpoles



Prefers clear lakes with aquatic vegetation



Commonly reach lengths up to 16 inches by three years of age



Body green-shaded with a broad, continuous dark stripe along each side; belly white to yellowish; dorsal fin almost completely separated between spiny and soft portion and lower jaw extends past the gold-colored eye


Photo & Text Courtesy of

Iowa Department of Natural Resources

Iowa Fish and Fishing by James R. Harlan and Everett B. Speaker with James Mayhew; color illustrations by Maynard F. Reece

Fishes of Wisconsin by George C. Becker

Fishes of Indiana published by Indiana Department of Conservation, Division of Fish and Game (1964)


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