Rusty, were you using a perch spreader of any kind? I was up there yesterday with two older guys who were using the spreaders. I was catching fish with only 30 seconds to a minute or so laps in between. While the other 2 guys weren't even getting any bites at all. I only use a basic hook, line and sinker approach to perch fishing. After about 20 minutes of me catching white and yellow perch, one of the other guys asked if he could use one of my other lines with the same set up to fish with. I said sure. He started catching fish immediately. So now 2 of us are catching perch of both kinds. Then I get a walleye on and land it. Then the 3rd guy in the boat couldn't take it anymore. He finally asked to use another one of my basic set ups. Now all 3 of us are catching fish. He kept saying that it makes no sense as to why we were catching fish with such a simple set up. But that the perch spreaders couldn't even get a bite.
Personally I just don't like all the gaudy stuff that comes with the spreaders. But that is just me. I have been in the boat when those things work great. But like yesterday, I have also seen it the other way around. Just something to think about next time.
Where you marking any fish on the bottom? We were marking a lot of fish on the bottom yesterday. And they were biting.... I never stop the boat until I mark fish on the bottom when looking for perch....