Am 11.05.2006 16:47 Uhr schrieb "Jerry Baker" unter <nanfa-in-bakerweb.biz>:
> matt ashton wrote:
>> There is also mounting evidence against releasing captively bred fish
>> because of behavioral changes. Fish brought into captivity often show a
>> change in behavior within a short period of time that can make them
>> unacceptable to wild release. Stock raised in a tank is no different, and
>> learned behaviour and traits that could cause problems in the wild stock.
>
> This isn't a rhetorical question. Why is it that fish taken into
> captivity learn to act differently quickly, but cannot do the same when
> placed back in the wild? Can they only learn once?
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