Shireen Gonzaga wrote:
> As a relative novice to the wunnerful world of fish,
> I was totally amazed when I read a piece about how
> Rivulus marmoratus reproduces. Self-fertilizing
> hemophrodites! Cool! (There are other species among
> molluscs and amphibians who do this too, right?
> But I never heard of it in fish!)
>
> What kind of genetic diversity is found in the
> offspring of a single fish? Are they clones of the
> parents? If so, how "old" is this species? I'm
> fascinated by the (probable?) absence of genetic
> diversity that would otherwise be present in
> sexually-reproducing species, and the natural
> selection effects that would have steered the
> evolutionary course of this fish.
>
> - shireen
>
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