Re: A. borellii

[Kathy Olson <kathy@thekrib.com>]

Females have black ventral fins...as Bob pointed out.  This feature is
actually quite prominent at a young age....I have had 1/4 inch fry I could
sex.

Kathy

On Sun, 18 Jun 2000, Christopher R Brightwell wrote:

> Hi Everyone,
> I have a question that I'm sure many people will be able to help me
> with...
> In my 75 gallon planted tank, I have a group of eight A. borellii, which
> I purchased from one of the wholesalers here in Atlanta.  When I bought
> the group, it was kind of difficult to detect any physical differences
> that would indicate sex of the fish.  I went about choosing four "large"
> ones, and four "small" ones.  All have blue markings on the face and
> gills, and have beige/light blue body coloration.  The posterior portions
> of the dorsal and anal fins are somewhat elongate in a few of the fishes,
> but only in one or two is it long enough to make me think that these are
> males.  All, or nearly all, display territorial behavior, even those with
> slightly smaller finnage.  I am aware that the females may also be
> staking out territories, BTW.  I'm more interested in sexual dimporphism
> information than behavior, at this point.  As I said, there is little to
> go on as far as physical appearance.  Can someone help me with some tips
> to id sexes of these fish?  I haven't seen any female borellii in the
> books, only males.  Any help would be greatly appreciated.  I sure hope I
> don't have a group of eight males.
> TIA
> Chris
> ***********************************
> CR Brightwell
> snowcat24@juno.com
> ("}}}}}})>{
> ***********************************
> 
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