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Smallmouth Bass

scientificMicropterus dolomieu
foundColumbia Basin reservoirs · Washington
seasonlate spring through fall

Pound for pound the hardest-fighting fish in fresh water, and the Columbia Basin is stacked with them. A bronze smallmouth hammers a lure, cartwheels across the surface, and never quits — this one came off a jig against a dryland reservoir wall, all muscle and attitude in a fish that rarely tops a few pounds.

Identifying

  • bronze-to-olive body with dark vertical bars down the flank (not a horizontal stripe)
  • a red-orange eye, and a jaw that ends at or before the eye — the "small mouth" that names it and separates it from a largemouth
  • three dark bars radiating back from the eye across the cheek
  • powerful, deep body built for the fight

Facts

  • introduced to the Columbia system and thriving in its rocky reservoirs — now a top sport fishery
  • the jaw test is the ID: smallmouth's upper jaw stops under the eye, largemouth's extends past it
  • famous for its fight — anglers rate it the scrappiest freshwater fish for its size, bar none

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Smallmouth Bass