New fish species found identified in 2 N. Idaho rivers

New fish species: Sculpin are typically found in North America's major river systems.

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    The top, side and bottom view of a male Cottus schitsuumsh (cedar sculpin) fish are pictured in this combination photo obtained by Reuters, Jan. 30. The new fish species has been found in two Idaho rivers.
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Genetic testing has determined that a new fish species, cedar sculpin, are present in the Coeur d'Alene and St. Joe rivers in northern Idaho.

U.S. Forest Service biologist Michael Young tells The Spokesman-Review in a story on Thursday that for decades biologists thought the minnow-sized fish was the more common shorthead sculpin.

Young says scientists found small variations and sent samples to a lab in Missoula, Mont. He says identifying the fish was a combined effort between the Forest Service and the University of Montana.

Sculpin are typically found in North America's major river systems.

Young says cedar sculpin probably emerged as a distinct species thousands of years ago.

He says waterfalls on the Spokane River likely blocked fish passage and cut off intermingling with othersculpin.

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