When ESA-Listed Salmon, Steelhead, Bull Trout Coexist In Same Stream, Bull Trout Top Predator

Chinook salmon, steelhead and bull trout, all species listed as threatened under the federal Endangered Species Act, coexist in Northern Washington’s Skagit River. As the top predator in the river system, 50 percent of a large bull trout’s diet is typically made up of salmon eggs and salmon carcasses. The other 50 percent of their diet is juvenile salmon and steelhead, resident fish and immature insects.

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