Phillips County News - One Nation, Under God

By Marc Kloker
MT FWP Region 6 

Warmer water leads to higher mortality of walleye that are caught and released


Courtesy Photo

FWP's Marc Kloker with a nice walleye he caught recently on Fort Peck Reservoir.

Montana Fish, Wildlife and Parks wants to remind anglers that as reservoir water temperatures increase, mortality associated with catch and release also increases.

A study published in 2011 in The North American Journal of Fisheries Management found that walleye catch and release mortality rate rose from 0-1.8% with water temps below 68° F to nearly 16% when water temps were above 68° F.

Walleye that are played for extended periods of time, handled extensively in the boat, and/or stored in a live well will see an increase in mortality if the fish is later released.

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