I do not know if you (Peder) will consider the information presented to be data or not, but it is about as close as I can come other than the differential catch rates I have experienced fishing with friends. Please read: Book Review: Fluorescent Flies by Joseph Keen 1964 Also, when you fish a pattern with the right Hot Spot color for the color of the water conditions being fished, it uncannily, really POPS OUT at you, which I assume it also will do for the fish as this is a function of Physical Laws of Nature.
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