The Lewis River Hydroelectric Projects - PacifiCorp

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Interpretive Exhibit: Bull Trout Locations: Size: Title: Main Content: Boat launch ramps at Speelyai Bay, Cresap Bay, Saddle Dam, Yale Park, Cougar Park, Beaver Bay, Swift Forest Camp TBD Help Give Bull Trout a Fighting Chance Bull trout (Salvelinus conflentus) are salmon-like fish of the Pacific Northwest and western Canada. Unfortunately, these native fish are struggling to survive due to habitat changes associated with human development. Bull trout are a federally protected species, and fishing for them is illegal. There are bull trout in Merwin, Yale, and Swift reservoirs. You can help these threatened fish in the Lewis River. Don’t target bull trout while fishing in the lakes or streams. Familiarize yourself with how to recognize them. If you do catch a bull trout, release it immediately so it can continue to grow and reproduce. Sidebar: Bull trout are of the genus Salvelinus (char) and are members of the salmon family. They have very specific spawning requirements—they need streams with cold (below 10 degrees C), deep, fast moving water, and with clean gravel. For successful incubation, the eggs need temperatures of less than 7 degree Celsius or 44.6 degree Fahrenheit. This kind of consistently cold water (usually spring-fed) is relatively rare. Young bull trout spend their first one to two years in their home streams, eating aquatic insects and small fish, before heading out to the lakes. There, their primary prey are juvenile kokanee and largescale suckers. Bull trout may live 12-15 years and may spawn several times during their lives. Caption: Caption: Bull trout are similar in appearance to other species in the reservoirs, making identification (without a good reference) difficult. The presence of light-colored spots on bull trout helps distinguish them from cutthroat and rainbow trout (which have dark spots). Bull trout can be distinguished from brook trout (another light-spotted salmonid) by the lack of black markings on their dorsal fins. Photo of bull trout spawning habitat Only a handful of creeks along the offer appropriate spawning habitat for bull trout. Photo of fisheries workers with bull trout PacifiCorp works to conserve bull trout by protecting critical spawning habitat and by providing public education to anglers who may catch bull trout. Appendix 1: panel profiles Lewis River Draft I&E Plan page 7
Illustrations of bull trout compared with similar species Bull trout are somewhat similar in appearance to some other species in the reservoirs, so learn to tell the difference! Bull trout have light colored spots on a dark background. They can be distinguished from brook trout (another light-spotted salmonid) by the lack of black markings on their dorsal fins. Images: Photos and illustrations of bull trout, similar species, habitat. Photo of PacifiCorp workers studying bull trout Appendix 1: panel profiles Lewis River Draft I&E Plan page 8
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The Lewis River Hydroelectric Projects - PacifiCorp

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