Re: orange flies

Scott Seidman wrote:
<snippage>
If trout can see into the UV, almost guaranteed that there was some
evolutionary pressure that pushed them that way, at least for some
period during trout natural history.
<and more snippage>

*OR* it was a random mutation and it was not disadvantageous so it never got
selected out. Like, for example, blindness in cave fish. Which is what I
presume you meant by 'almost', but couldn't resist fleshing out.
--
Stan Gula
http://gula.org/roffswaps


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