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Re: female aspect
thanks mike,
your answer surely helps!
For the lucky of you who are going to the ACA: remember to free space in
your tanks before!
Hope to hear about the great things that yall gonna see.
c ya
FLI USA
Yvan Alleau
712 Kings boulevard
97330 Corvallis, Oregon
home # 738-0606
College of Oceanic and Atmospheric Sciences
Oregon State University
office (Burt 222) # 737-3649, to be used wisely !
yalleau@oce.orst.edu
"When you're far from everything, you're getting closer to the essential"
----- Original Message -----
From: "Mike & Diane Wise" <apistowise@bewellnet.com>
To: <apisto@listbox.com>
Sent: Wednesday, June 20, 2001 8:50 AM
Subject: Re: female aspect
> OK, Yvan, here's a little information on female apistos. Much of this can
be
> found in books of dwarfs. I always encourage people to read as much as
they can
> find. Most of the apistos that show a lot of sexual dimorphism have males
that
> are highly polygamous. Increased body size, fins, & colors help them
attract a
> greater number of females into the harem. Females only compete with other
> females of the same species for territory. Females don't need these
features. On
> the contrary, they are better able to protect their spawns and fry by
being less
> conspicuous (smaller and less colorful). You might think that the bright
yellow
> colors of a brooding female would stand out, but in photos of brooding
females
> in the wild that I've seen they are not as conspicuous as you would think.
> Anyway the best "cryptic" form seems to be a small fish with low fins and
no
> metallic colors. I assume that females with too much color were more
easily
> preyed upon and didn't survive to reproduce these features (which can be
seen in
> some domestic strains). Therefore nearly all successful females show these
> feature and look similar. The sand dwelling species have similar looking
sexes,
> as do many of what I believe are the most recently evolved species. I
think that
> I see a trend in apistos from more ornate males to more cryptic forms.
>
> Although most females are similar, females can easily be sorted into
> species-groups. Ingo Koslowski described the differences in his article
> "Beiträge zur Unterscheidung von Apistogramma-Weibchen" [Contributions on
> differentiating Apistogramma females], Festschrift zum 25Jährigen Jubiläum
der
> DCG, p. 204-217. I would never mix females of the same species-group.
There is
> too much chance of getting hybrids. This is why I always recommend, when
> necessary, keeping a slender apisto with a deeper bodied form. In this way
there
> is virtually no chance of hybridization (they will be from 2 different
> species-groups) and the young can be more easily identified. Hope this
helps.
>
> Mike Wise
>
> Yvan Alleau wrote:
>
> > just to add to Sal's opinion, i have a question:
> > why are thoses apistos females so similar, at least to me? Also most of
the
> > males are quiet different, female often have same shape /color. I'm
sometime
> > confused when looking at them in my tanks. Hopefully they know who is
what
> > but still hybridation happens i guess because of those similarities.
> > take care
> > FLI USA
> >
> > Yvan Alleau
> > 712 Kings boulevard
> > 97330 Corvallis, Oregon
> > home # 738-0606
> > College of Oceanic and Atmospheric Sciences
> > Oregon State University
> > office (Burt 222) # 737-3649, to be used wisely !
> > yalleau@oce.orst.edu
> >
> > "When you're far from everything, you're getting closer to the
essential"
> >
> > ----- Original Message -----
> > From: "salS" <chas33@optonline.net>
> > To: <apisto@listbox.com>
> > Sent: Monday, June 18, 2001 8:37 AM
> > Subject: Re: Too many Apistos!
> >
> > > Aren't you afraid of hybridization? I know that I (except for a few
> > > species) have a tough time telling the females apart. Even though I
agree
> > > with you that it's very satisfying watching the different species
interact
> > > with each other, I constantly fight the urge to do so because I don't
want
> > > any interbreeding.
> > > Good luck
> > > sal
> > >
> > > ----- Original Message -----
> > > From: Fredrik Ljungberg <Fredrik.Ljungberg@saab.se>
> > > To: <apisto@listbox.com>
> > > Sent: Monday, June 18, 2001 12:00 AM
> > > Subject: Re: Too many Apistos!
> > >
> > >
> > > > Like you say, A. gephyra and A. pertensis are often imported
> > > > together, along with A. gibbiceps. I've had all three in a
> > > > 250-litre tank (125x45 cm surface) or 66 gal (49x18 in) for
> > > > you non-metric guys. I had 2 pairs/1 "trio" with no problems
> > > > at all. A 30g should be enough for A. gephyra/A. pertensis
> > > > as I don't consider either of them to be very aggressive
> > > > and/or claiming very large territories (sp?). Part of the
> > > > fun is actually keeping different species together and
> > > > watching them "interact", fighting for space and tending
> > > > their fry.
> > > >
> > > > Good luck
> > > > Fredrik L.
> > > >
> > > >
> > > > Bob Raible wrote:
> > > > >
> > > > > I overdid it at the PCCA Auction last weekend. A fellow Apisto
fancier
> > > > > was moving to the other coast and auctioned off his stock. I am
now
> > the
> > > > > proud owner of:
> > > > > A. sp. panduro
> > > > > A. cacatuoides
> > > > > A. nijsseni
> > > > > A. gephyra
> > > > > A. hippolytae
> > > > > A. pertensis
> > > > >
> > > > > I am short at least one tank and was wondering if it is possible
to
> > > > > keep any of these pairs together in the same tank (largest
available
> > > > > footprint is a 30g long). Are any of these fish likely to be more
> > > > > forgiving of the others species than they are of their
conspecifics? I
> > > > > noticed that gephyra and pertensis are found together in nature.
Would
> > > > > that mean that they are more likely keep the peace? TIA.
> > > > >
> > > > > PS: I am in awe of the A. panduro's colors - I had no idea!
> > > > >
> > > > > __________________________________________________
> > > > > Do You Yahoo!?
> > > > > Spot the hottest trends in music, movies, and more.
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> > > >
> > >
> >
> -------------------------------------------------------------------------
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> > > >
> > > >
> > >
> >
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