Sick Salmon

As climate change heats up rivers, fish like Alaskan King Salmon are getting infected with “ich,” a parasite that interferes with their run up the Yukon River to spawn.

The Alaskan King Salmon fishery has long been the poster child for proper fisheries management, but, lately, salmon swimming the Yukon River face a threat much broader than overfishing: global warming. Los Angeles Times reporter Ken Weiss talks with Bruce Gellerman about rising river temperatures and “ich,” the parasite that’s infecting vast numbers of salmon.