Kokanee salmon lake acidity. As a result, the kokanee was believed to have gone extinct in the 1940s. In 2011 a few fish were found in an isolated lake on Mount Fuji. The Japanese kokanee varies from its sea-going sockeye relative in a few ways. The black kokanee breeds in March at a depth of 30–40 feet, while sockeye salmon breed in the fall and have a different number of gill rakers than the kokanee. In addition, the black kokanee is much darker in color than the sockeye or any other kokanee population. The fish has been introduced to different lakes around
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,