Coho salmon
Siltcoos Lake is a popular destination for fishing and is home to many warm-water species as well as transient seagoing fish such as Coho salmon and steelhead. Anglers try for bass weighing up to , as well as perch, catfish, crappies, bluegill, and cutthroat trout.The state record Coho Salmon was caught on this lake, The state record coastal Cutthroat Trout was caught here in 1984 by Kay Schmidt, 6 lbs 4 oz.