Counterattack!!

JUDAS FISH REPORT

Underwater Receivers

plus Transmitters on Fish

National Park Service biologist Brian Ertel and Student Conservation Association volunteer Jessica Dugan surgically implant a sonic transmitter into a lake trout in this photo. Increased efforts to capture invasive lake trout in Yellowstone Lake are paying off. This summer the catch rate increased substantially. Photo: National Park Service

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.. The counterattack on Lake Trout in Yellowstone lake continues. Read about it HERE. And HERE.

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