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Re: [APD] moenkhausia sanctaefilomenae
ryan_whyte at utoronto.ca wrote:
> I have a heavily planted EI tank, 65 gal, running hot these in my sweltering
> apartment at around 82 degrees. DIY CO2, pH 6.8, medium-hard water. Around 40
> assorted barbs and tetras. All of the fish doing very well, except for the 6
> Moenkhausia sanctaefilomenae constantly gasping/gill clamping. No other fish
> exhibits this behavior, and the spectacular rate of plant growth tells me that
> the water should be pretty well oxygenated (I don't add CO2 add night).
Estimating oxygen levels by plant growth only tells you that the water
is likely saturated towards the latter half of the day, and that only if
you are getting pearling. Keep in mind that the oxygen requirements of a
fish increase as temperature increases, and levels of dissolves oxygen
likewise decrease. Each species will have a different intersection of
the two requirements where requirements exceed the environment's ability
to supply it. That being said, I do not know of any special oxygen
requirements of Red-Eye Tetras, and I believe they encounter such
temperatures in the wild anyway.
--
Jerry Baker
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