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Iowa Bluegills - Spring '08


By David 'FishnDave' Merical

An unusually long and frosty winter made the ice stick around on the lakes and ponds here in central Iowa much longer than normal. Still, by April 1, the bluegills were starting to hit flies in the newly-thawed water.

I had tied up some 'FishnDave's Flashback' flies. I like this simple pattern for early season stained waters, but have found they work all season long, even in clear water.

Another fly that I tied up for the first time this year was a modified Cap Spider. I modified it by substituting a small glass or plastic bead on the head of the hook in place of the 1/124oz leadhead jighead.

I caught a LOT of fish on these flies, including a decent number of crappies and bass.

Pre-spawn conditions lasted approximately 1.5 months. As soon as the fish started to move shallow, the bluegills were really starting to hammer foam surface flies. Although the daytime bite was quite good, on calm evenings you could cast a foam fly almost anywhere in the pond and get a good hit within a few seconds! The foam surface flies seemed even more effective with some rubber legs hanging off of them. Foam spiders are a good example of an effective foam fly, and I tie up a 2-color foam 'spider' that also has a short marabou tail. I used a dark grey-colored foam on the bottom, and a cut-out piece of red or yellow foam on the top. The bright color on top simply makes the fly easier for me to see. Hey, it works!

By mid-May, the bull 'gills were starting to move into the shallows and build nests. I didn't check the water temperatures in the ponds I was fishing, but the area lakes and streams were sporting water temperature ranges from about 59°F - 62°F.

One thing I've found is the largest Bull Bluegills seem to be on the shallowest nests. Walking the shoreline will often send them to deeper water. Wait a bit and they often come back, but still might be cautious about hitting your offerings. So, it pays to practice stealth when approaching the nesting areas.

Usually the bull 'gills are larger than the females, simply because much of the nutrition both sexes would normally utilize for growth is instead channeled to creating eggs in the adult females. In one particular pond I fish, however, I caught bull and female bluegills that were in the 9" range, which is very good for these public ponds.

When you find the males sitting on the nests, the females will be very close by, usually just off the nest areas in deeper water. They will often come to the surface for a foam topwater fly. If not, try "FishnDave's Flashback," or a #8 or #10 Woolly Bugger.

As you can see, during the pre-spawn and spawning period, the females will have swollen bellies. They are also identifiable by the smaller black "opercle" on their gill plate, and duller coloration.

I can't stress enough the importance of releasing the largest bluegills, especially the nesting bulls. I found an article which makes the case very clearly. Click the following link to read the article.

As I'm writing this on May 30, 2008, the bluegills have not spawned yet. Some of the females are getting absolutely huge with eggs. The biggest look as though they're getting ready to lay a golf ball!

Best of luck to you when fly-fishing for these fun, scrappy fighters! ~ David "FishnDave" Merical

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