cacomyxl t1_ist1hnx wrote
Reply to comment by antij0sh 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
I think people have mentioned it, but this seems pretty conclusive to me.
And just like the raft theory of island population by land animals, it only take one incident over a period of many thousands or millions of years.
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