Sockeye salmon are on a mission up B.C.’s Fraser River right now, swimming “a marathon a day” to reach the gravel…

Sockeye salmon are on a mission up B.C.’s Fraser River right now, swimming “a marathon a day” to reach the gravel beds where they’ll lay eggs for the next generation.

But the waters of the Fraser — historically one of the world’s great salmon rivers — have been so warm this week, fisheries officials say the migrating sockeye are in danger of dying before they have a chance to spawn.

https://www.cbc.ca/news/canada/british-columbia/sockeye-salmon-water-temperature-1.4771607?cmp=rss