Round Whitefish and Similar Species
Prosopium cylindraceum
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Open the appSeveral fish can be confused with Round Whitefish. Here are the key differences.
Species often confused with {name}
Lake Whitefish
Coregonus clupeaformis
Key differences: Lake Whitefish have a more compressed, deeper body, a smaller head, and a more pointed snout. Their mouth is typically smaller and more inferior (underslung) compared to the Round Whitefish's subterminal mouth. The dorsal profile of the Lake Whitefish is more arched.
Pygmy Whitefish
Prosopium coulterii
Key differences: The Pygmy Whitefish is much smaller in size (typically less than 20 cm) and has larger scales relative to its body size. Its mouth is also subterminal but generally smaller. It has a more restricted, often isolated, geographic distribution.
Cisco (Lake Herring)
Coregonus artedi
Key differences: Ciscoes generally have a more slender, silvery body and a larger, more terminal mouth. Their lower jaw often protrudes slightly beyond the upper jaw, which is not the case for Round Whitefish. They are also typically more pelagic (open water) than benthic.
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