Kype Kype A kype is a hook-like secondary sex characteristic which develops at the distal tip of the lower jaw in some male salmonids prior to the spawning season. The structure usually develops in the weeks prior to, and during, migration to the spawning grounds. In addition to the development of the kype, a large depression forms in the two halves of the premaxilla in the upper jaw, allowing the kype to fit into the premaxilla when the mouth is closed. The kype functions as a secondary sexual characteristic and influences the formation of dominance hierarchies at the spawning grounds. The
Lower Salmon Falls Dam Lower Salmon Falls Dam Lower Salmon Falls Dam is a concrete gravity-type hydroelectric dam on the Lower Salmon Falls of the Snake River, in the U.S. state of Idaho. The dam is located 5 miles downstream from Upper Salmon Falls, between Gooding County and Twin Falls County, Idaho. The Lower Salmon Falls Dam was originally built in 1910 by the Greater Shoshone and Twin Falls Water Power Company. Idaho Power Company acquired the plant in 1916 and rebuilt it in 1949. It's located at river mile 573.0. Nearby cities are Twin Falls, Mountain Home, and Hailey, Idaho. The newer dam