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From what I have been told by folks who fish it a lot, the smelt population crashed several years back. The fish that have been coming out of there lead me to believe that is true, seen some pictures of some long lakers that were skin and bones, and we fish it open water every year in the spring, and haven't seen a smelt in the stomach of the lakers or the rainbows we have caught the last 3 years. I am sure they are still in there just not on a large scale, but I have never marked a bait cloud, and havent heard of anyone being super successful catching them. A lot of people catch them on Joes and illegally transport them up.