An uneasy coexistence

The bull trout, an endangered species, is the predator. The much smaller and more prolific kokanee, its prey. Biologists are looking to support both, but want to build the kokanee population in Lake Billy Chinook to feed the bull trout, keep the anglers h

By Kate Ramsayer / The Bulletin
March 4, 2008

LAKE BILLY CHINOOK — The 228 tiny kokanee swam in a white plastic bucket only a few days after hatching in the Metolius River.

On their way downstream to Lake Billy Chinook, they ran into a detour: an 8-foot-high fish trap, and, eventually, the bucket, as part of an effort to track of....

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