Leaping pink salmon (Oncorhynchus gorbuscha) gathering to spawn at Lake Eva on Chichagof Island, Alaska, United States of America, North America

pink salmon oncorhynchus gorbuscha spawning behavior lake eva chichagof island alaska freshwater fish salmon run leaping fish aquatic life north america river ecosystem wildlife nature fish migration salmon spawning natural habitat fish jumping aquatic environment alaskan wildlife ecosystem salmon lifecycle fish behavior wild salmon freshwater ecosystem pacific salmon biodiversity native species salmon population aquatic biodiversity spawning grounds fish reproduction leaping salmon breeding behavior salmon habitat fish conservation seasonal migration river habitat alaskan wilderness fish species marine life alaskan rivers spawning season salmon conservation salmon characteristics freshwater biodiversity lake ecosystem aquatic ecosystems splashing fish spawning migration