WA fish researchers use tiny sensors and other tech to save salmon

WA fish researchers use tiny sensors and other tech to save salmon

Source: kxly

10/29/2021

The salmon is getting sleepy, very sleepy.

After swimming a few increasingly slow laps in a footlong blue plastic bin full of an anesthetizing bath, the salmon — a juvenile chinook only a few inches long — succumbs to shuteye.

That’s when Chris Gregersen, a King County fisheries ecologist, springs into action.

Gregersen and a few colleagues are lulling this fish and a few others into slumber beside the Icy Creek Pond Fish Hatchery near Auburn that’s operated by the Washington State Department of Wildlife. It’s not to marvel at the amazing will of fish to swim while humanely drugged — that’s a bonus.

Rather, they are piloting a technology expected to help us restore waterways like the Green River to eventually produce more fish.

Green River

Salmon, Chinook

Continue...

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