> There's been an interesting thread on the killifish list. It seems that some
> rivulus fry, when raised in the same aquarium, will produce highly skewed sex
> ratios. But if you put pairs by themselves in their own containers, you can get
> a ratio of about 45 to 55, a dramatic improvement.
>
> I'm not exactly certain how this might apply to Rhonda's case, though. ;)
I don't even want to think of the implications. :) It might have been
something to think of if we were Egyptian Pharaohs in ancient times
but...
Rhonda
-- http://naturalaquariums.com