These genetics are amazing, on how there can even be genetic strains that differ in the same river, just a couple of kilometers apart. This is sometimes the result of small geological events.
For instance, the Congo river, have different evolutions of the same fish on either side of the river bank.
The power of the river was so great, that the fish could not migrate across the river to interbreed. The fish over the millions of years have developed into seperate sub species.
Korrie Broos
Don't go knocking on Death's door, ring the bell and run like hell. He hates it. (anon)
Nymphing, adds depth to your fly fishing.
Nymphing, is fly fishing in another dimension
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