stewpideople t1_isn8w43 wrote
Reply to comment by HunterDHunter in How do fishes get into isolated inland lakes in the first place? and why don't we see more divergent evolution / speciation given the separation of each group of fishes from each other? by I-mean-Literally
Not entirely true. After the glaciers receded in the last ice age. Round lakes were formed. Current studies show those small pools ponds and lakes, removed from flood planes, rivers or other such events, even in lack of man. Birds, storms and land mammals long extinct would be carriers for fish eggs from one pool to another.
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