MISSOULA, Mont. — Idaho Fish and Game officials are investigating the illegal introduction of a yellow perch into Island Park Reservoir after an angler unexpectedly caught the fish earlier this month.

Add Yahoo as a preferred source to see more of our stories on Google.

I heard that everyone and their brother has been catching perch at CJ, so I thought I’d better go hit them. Buddy, Alex Murashko has been telling me that he wanted to go fishing, so I invited him ...