>From: Mysteryman <bestfish-in-alaweb.com>
>Date: Sun May 21 13:08:53 CDT 2006
>To: nanfa-l-in-nanfa.org
>Subject: Re: NANFA-L-- Some questions on quarantine -medication / feeding bottom dwellers / + chiller
>Ben Dattilo wrote:
>
>>
>>Also, I have heard a lot about the necessity of a cool period for inducing
>>spawning, but nothing about photic period???-any data?
>>
>>
>>
>Plenty.
>Personally, I've found that dropping the photoperiod to 8.5hrs per day
>does a good job of simulating winter, and after a 1-2 month period of
>that I increase the photoperiod by around 15 minutes every 2-3 days
>while increasing the temp an avg of 1F every 3-4 days. Once I hit 11 hrs
>photoperiod I stop the increase, and by then the temp is usually in the
>low to mid 70's. The fish usually spawn right about then, especially if
>given a nice water change with distilled water to drop the hardness &
>simulate the rain. It really depends on where I started and where I plan
>to stop, though, and I often don't start the temp increase until well
>after the photoperiod increase has begun in earnest.
>Bear in mind that the species in question is a big factor to consider,
>and this won't be expected to work the same way for different species.
>Some of the other guys probably don't bother with photoperiod-in-all,
>while some others may well be far more exacting with it than I am.
>
>As for medicines, many north american species are extra sensitive to
>many aquarium fish meds, thus complicating treatment. You mentioned
>sunfishes, for example, and they're some of the worst.
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/ visit http://www.nanfa.org Please make sure all posts to nanfa-l are
/ consistent with the guidelines as per
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