Predation of Juvenile Salmon in the Lake Washington/Cedar/Sammamish Watershed

Young salmon are especially vulnerable to predators during their freshwater and nearshore rearing and migration stages. Native fish such as pikeminnow and cutthroat trout, as well as introduced species such as bass and walleye, are known predators of salmon. Numerous birds also prey on salmon.

A number of studies have been conducted in WRIA 8 to consider the potential effects of predation on salmon: