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Radio Tracking Cisco in Lake Ontario

Conservation lands manager Mathew Levine and Cornell graduate student Ellen George tagged nine male and 15 female cisco with radio transmitters this spawning season.

Ellen George holds up a cisco fitted with a radio transmitter before releasing it back into the frigid waters of Chaumont Bay.

After tagging the fish, the researchers spent two cold weeks tracking them with a radio receiver and an GPS-linked iPad and documented their locations.

Conservancy and USGS researchers wear survival suits, which keep them warm and act as life preservers.

The data will help our scientists understand where the fish go, assess why they're not coming back on their own and inform efforts to rebuild this critical link in the Great Lakes food web.

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