02-03-2011, 08:57 PM
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Originally Posted by burnsbabe
I had also thought of this, but the mathematical odds that in my school of fourteen I come out with a ratio of 12:2 is pretty low.
Incidentally, what sort of behavioral differences are there between fish of different sexes in the Pristellas?
The males display, not a lot, but I find all characins do to some extent. Sort of sidling up side by side and turning a bit on one side, sometimes with a slight quiver. Then there is the male "nudging" of females, presumably trying to push her into a plant thicket.
I've observed rummynose doing the above, and my Pretty Tetra do too.