Re: NANFA-L-- Re: the aquarium hobby as conservator of

anutej-in-loxinfo.co.th
Sat, 13 May 2006 01:09:01 +0700

I wonder is it possible to train fish before release to avoid overhead
shadow and large predatory species?

Tony

Mysteryman wrote:
>
> >... animals are often
> > genetically more plastic than we give them credit for.
> >
> >Michael
> >/
> >
>
> And even if they weren't, here's a question:
> If tankraised fish can't be called wild anymore, and if they're not
> suited for release, then what about their fry? What if very young fry
> are released instead of adults? Those fry wouldn't have learned any any
> bad behaviors from captivity, and would quickly start using their
> instinct, wouldn't they? Fry can be cranked out in a lab by the
> bajillions, yeilding a much higher number than if wild-hatched, and even
> if only a relative few of those survive as normal, the sheer number of
> them should result in a higher total number of surviving new adults,
> shouldn't it? It would of course be very tempting to raise the fry a
> little bit longer to get them past any critical risk stages, but is it
> feasible to figure out how long they could be tanked before they started
> to lose their wild hunting behavior?
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/ Association (NANFA). Comments made on this list do not necessarily
/ reflect the beliefs or goals of NANFA. For more information about NANFA,
/ visit http://www.nanfa.org Please make sure all posts to nanfa-l are
/ consistent with the guidelines as per
/ http://www.nanfa.org/guidelines.shtml To subscribe, unsubscribe, or get
/ help, visit the NANFA email list home page and archive at
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