Aren’t they supposed to be up shallow during early ice? What would draw sunnies this early out to a bowl basin?
Supposed to be? They’re fish and do what they do when they think they need to do it. “Supposed to be” is a “human” assumption. Early in the fall they may be relating to shallow weeds but I’d bet that if you fished those weeds late in the fall when water temps are falling fairly fast you’d find the fishing tough after the water gets to about 42 degrees. I’ve always let the water get quite cold and then hit the deepest portion of the lake with the boat and found fish to be crazy thick. The panfish will be the first fish in the bowl as the water temps drop. After about 40 degrees, the fish drop deeper as fast as the water temps. When this transition begins you may find some stragglers along the weeds but they’ll be quick to follow the others, and if you stay on top of what the water temps are doing [by fishing and watching water temps closely] you can see this transition as it occurs.
The deep basin offers comfort for the panfish during the ice-up time when the barometer can be all over the place on a daily basis. The warmest water will be found there. The forage they will live on exists there and is reactive to the lower light levels found in the deep basin.
Some interesting observations I’ve made over 60 years of panfishing….
* Your larger sunfish will be found closer to the bottom and size matters to them. The fish “layer” based on size with the smallest sunfish being pushed up to the top of the pile. The larger fish occupy that water because its closest to the food sources thus “first to the table”, less competition for the food, and because the smaller fish pushed higher act as prey for larger fish before they can get to the larger fish. If the weather stays stable for a string of days you may see the pack of fish break apart to some degree but as soon as another weather shift comes along they’ll be right back to the winter normal.
* Well structured lakes and lakes with current can be vastly different from the true basin lake. Lakes with lots of geological structure can have a myriad of ” basins” that panfish can use and be found in so using maps can be in line to successful fishing.
* If you have crappies in the lake, they too will wallow during and immediately after a sever cold front but will liven up fairly fast as they need to eat. Smaller crappies will get pushed down into the small sunfish and will feed like the sunfish do while you’ll find the better crappies higher up. Large crappies will feed on the small sunfish as they get displaced from the deepest water and lose the protection from numbers. Larger crappies will also visit the middle and upper portions of the water column to feed, which makes it necessary to watch the middle of the water column for blips or marks that come into view then disappear in a couple seconds. If you’re seeing these random blips high up, bring a jig or minnow up slightly higher than the mark’s depth and fish it…you may get your eyes opened.
*Some lakes are just flat out low light lakes in the winter. Being there an hour before dark and fishing until 9 might be better fishing for you. That last half hour of light on such lakes can be crazy as worms and bugs emerge from the mud on the bottom but you have to be there.
The most important thing here is to remember that fish are fish and don’t always show up or act as people think they should. So “supposed to be” is more of a people problem than you might think.