Re: Fish that go bad, or just got that way.

["Mike Jacobs" <mjacobs2@tampabay.rr.com>]

Gary.............I've got to go back and read this one 3-4 more
times..........boy the conversation material here folks!!!

Mike

Mike Jacobs
Center for Advanced Technologies
Lakewood H.S.
St Pete, Fl  33705
mjacobs2@tampabay.rr.com

----- Original Message -----
From: Frauley/Elson <fraulels@minet.ca>
To: <apisto@majordomo.pobox.com>
Sent: Friday, April 07, 2000 8:08 PM
Subject: Re: Fish that go bad, or just got that way.


> Mr. Fish wrote:
>
> > The fish that eat their babies see no reason to allow them to grow up
> > and compete with their limited food resources.  And their limited space
> > resources as well.
> >
> I dunno - it seems too neat to me.
> Could it be that the fish, which in the wild has evolved to hold a
> territory maybe 10 foot square (ie. Pelvicachromis pulcher) can't handle
> its inability to clear its territory in the much smaller tank? Whatever
> it does, the predators (us included) won't go out of its sight.  How
> does it react to that frustration? Some calm down with successive
> spawnings (becoming 'good parents'), others never control their
> misplaced aggression, especially if water conditions are another
> stressor.
> Fish raised in aquaria are often easier to breed than wild-caught ones.
> Now, maybe their metabolisms are used to the water, or maybe they've
> genetically adapted to aquaria, but I can't help but wonder if it's
> simply that they 'understand' their habitat, whereas wild fish are often
> in fear of the weird stimuli coming from within and without the tank,
> and never really settle down completely.
> On the other side, I remember my Cleithracara maronii guarding their fry
> religiously from their tankmates, then going off on perfectly idiotic
> looking swims together, for maybe ten minutes a day. Once I finished
> cursing them, it occured to me that where they come from, going out for
> a bite to eat as a couple must be possible. Maybe the
> vegetation/population/choice of spawning sites makes that make sense,
> where in a tankful of opportunistic apistos, it made them look like the
> dumbest creatures on the planet.
> It's all speculation, but I find it interesting. Not being convinced
> anyone else does, I shall go away now.
> Gary
>
>
> > Obviously they can't stop them selves from multiplying but they can stop
> > them selves from depleting their limited resources,
> >
>  Again, we haven't even figured that one out. Are fish ahead of us on
> that one. Maybe.
>
> Gary
>
>
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