Sockeye salmon Pacific salmon, feed extensively on zooplankton during both freshwater and saltwater life stages. They also tend to feed on small aquatic organisms such as shrimp. Insects are part of their diets at the juvenile stage. Sockeye salmon exhibit many different life histories with the majority being anadromous where the juvenile salmon migrate from freshwater lakes and streams to the ocean before returning as adults to their natal freshwater to spawn. Similar to most Pacific salmon, sockeye salmon are semelparous, meaning they die after spawning once. Some sockeye, called kokanee, do not migrate to the ocean and live their entire lives
Sockeye Fire the Iditarod Trail Sled Dog Race and other mushing events, perished in the fire. A local kennel owned by veteran Iditarod musher DeeDee Jonrowe was destroyed. Jonrowe also lost her home, several pets and a flock of chickens in the fire. At least six dogs are known to have perished in the fire. Early on during the incident, emergency officials determined that the fire was "human caused". On July 13, 2015 it was reported by multiple news sources in Alaska that Greg Imig and Amy Dewitt of Anchorage faced numerous charges in relation to the Sockeye Fire, including reckless endangerment,