What temperature range defines the preferred habitat classification for walleye as coolwater fish?
Answer
Between 60°F and 75°F
Walleye are ecologically classified as coolwater fish, meaning they thrive optimally within a specific temperature window, which ranges between 60°F and 75°F. Their physiological constraints, shared with other members of the *Sander* genus, make them sensitive to excessive heat, causing them to seek out deeper, cooler environments, especially during warmer parts of the day. Understanding this preference, which is informed by their taxonomic placement, is practical knowledge for anglers attempting to locate the fish, as it directs them toward cooler water strata.

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