I think a lot of 'tropical' fish can tolerate cold temperatures
for a period of time. I was reading accounts of apistogramma species
having viabale spawns with temps in the low 50's during the ice storm
the east coast and Canada had a few years ago.
-
Ghazanfar Ghori
> -----Original Message-----
> From: Ghazanfar Ghori - McLean
> Sent: Thursday, October 16, 2003 10:24 AM
> To: 'nanfa_at_aquaria.net'
> Cc: Nativefishconservancy_at_yahoogroups.com; UniQuaria at yahoogroups.com;
> smallcatfishgroup_at_yahoogroups.com; Mormyrids at yahoogroups.com;
> mudpuppies_at_yahoogroups.com
> Subject: RE: NANFA-- Iredescent sharks
>
>
> Irridecent sharks (Pangasius hypophthalmus) are catfish, native to
> Thailand, Cambodia and South-east Asia. They grow upto 3ft in length
> and are although common in the hobby are not suitable for
> home aquaria.
>
>
> -
> Ghazanfar Ghori
>
>
>
> > -----Original Message-----
> > From: Ty Hall
> > Sent: Thursday, October 16, 2003 10:08 AM
> > To: nanfa_at_aquaria.net
> > Cc: Nativefishconservancy_at_yahoogroups.com;
> UniQuaria_at_yahoogroups.com;
> > smallcatfishgroup_at_yahoogroups.com; Mormyrids at yahoogroups.com;
> > mudpuppies_at_yahoogroups.com
> > Subject: Re: NANFA-- Iredescent sharks
> >
> >
> > Moon, I believe the "shark" is actually nothing more then an
> > "Albino" type color
> > morph of the common Channel Cat and not really a "true"
> > tropical. (I could be
> > wrong) If it is true then they can withstand any temp you'll
> > see in your area.
> > Someone can feel free to correct me if this is incorrect.
> > (I'd really like to know)
> > I don't have one of the fish here to compare against a
> > standard Channel Cat. Even
> > if it is not, my guess would be that they are a very close
> > cousin and most cats of
> > this type are very hardy. It's an interesting question. If
> > they are hardy in cold
> > water, they would make great additions to Koi ponds. The
> > problem with most
> > scavengers is that they are invisible in a pond setting. One
> > of these would be easy
> > to see. Let me know what you find out. I may try one out in a
> > pond next year just
> > to see. If it will survive a Wisconsin winter, then it would
> > be good pretty much
> > anywhere in the CONUS.
> >
> > Ty
> >
> > Moontanman_at_aol.com wrote:
> >
> > > Does anyone know what the temperature tolerance is for
> > iridescent sharks? I
> > > checked my outdoor pond this morning and the temperature 58
> > degrees and the
> > > shark was out swimming around and ate his pellets like
> > nothing was wrong. I'm
> > > beginning to think some of tropicals have a lower
> > temperature tolerance than we
> > > think.
> > >
> > > Moon
> > > /"Unless stated otherwise, comments made on this list do
> > not necessarily
> > > / reflect the beliefs or goals of the North American Native Fishes
> > > / Association"
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> --
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http://www.nanfa.org
-- /"Unless stated otherwise, comments made on this list do not necessarily / reflect the beliefs or goals of the North American Native Fishes / Association" / This is the discussion list of the North American Native Fishes Association / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word / subscribe, unsubscribe, or help in the body (not subject) of an email to / nanfa-request_at_aquaria.net. For a digest version, send the command to / nanfa-digest-request_at_aquaria.net instead. / For more information about NANFA, visit our web page, http://www.nanfa.org /----------------------------------------------------------------------------- /"Unless stated otherwise, comments made on this list do not necessarily / reflect the beliefs or goals of the North American Native Fishes / Association" / This is the discussion list of the North American Native Fishes Association / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word / subscribe, unsubscribe, or help in the body (not subject) of an email to / nanfa-request_at_aquaria.net. For a digest version, send the command to / nanfa-digest-request_at_aquaria.net instead. / For more information about NANFA, visit our web page, http://www.nanfa.org