I need some help...

[Aquaman01]

This is the thread for Metro RATS - a rough fish tournament series
http://fishingminnesota.com/ubb/Forum40/HTML/000210.html
and I need some help with locations and dates. I'd like to have the dates and locations co-incide with species peaks - like the spring sucker run, and avoid downturns - like late-spring carp spawn. I'd LOVE to hit a good stretch of river with a predictable bowfin spawn - the colors would make awesome photos! Any help in this regard which could help me hit good windows to make these successful events would be greatly appreciated.
Thanks -

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Aquaman
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"The bow is set to distant shore,
then loss is gained and gains once more.
When beach is reached and sails are torn,
the journey is it's own reward."