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
Second Battle of the Hook Second Battle of the Hook The Second Battle of the Hook was a battle fought between 18 and 19 November 1952 during the Korean War between elements of United Nations troops consisting of British troops of the 1st Commonwealth Division and Chinese forces on a vital sector known as the "Hook" position which was the scene of much bitter fighting before and in the ensuing months. Attacking Chinese forces attempted to take the strategic position but were repelled by a combination of heavy firepower and effective counterattacks. On 14 April 1952 as a result of adjustments under Operation Westminster the