Smashing records, sockeye salmon are booming up the Columbia River, in a run expected to top 700,000 fish before it’s over. But a punishing heat wave has made river temperatures so hot many may ...

A sockeye salmon (top left) swims past a chinook salmon at the fish-counting window at the Bonneville Dam on June 27, 2012, near North Bonneville, Washington.

In the Pacific Northwest, some tributaries salmon travel through to spawn are so hot that it’s threatening their migration. In some places, biologists have trucked the fish to cooler water.

A spawning sockeye salmon rests in the waters near the Eagle River Nature Center's boardwalk overlook on August 22, 2017. (Marc Lester / Alaska Dispatch News) ...

Spawning salmon have returned to Whatcom County creeks. ... Chinook salmon, Coho Salmon, Chum Salmon, Pink Salmon and Sockeye Salmon have been documented in Whatcom Creek.

Bristol Bay’s sockeye salmon run totaled 51.6 million fish, more than a third higher than the preseason forecast of 37.9 million fish and about 7% higher than the average over the past 20 years ...

Spawning salmon are returning to Whatcom County watersheds this November as they are seasonally expected to ... Coho Salmon, Chum Salmon, Pink Salmon and Sockeye Salmon have been documented in ...

Spawning Sockeye salmon. Stuart Westmorland Getty Images Smashing records, sockeye salmon are booming up the Columbia River, in a run expected to top 700,000 fish before it’s over.

Smashing records, sockeye salmon are booming up the Columbia River, in a run expected to top 700,000 fish before it’s over. But a punishing heat wave has made river temperatures so hot many may ...