01-09-2013, 07:41 PM
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You might want to turn the temp down to 76-77F. I know 77 doesn't seem far from 79, but to fish living in it with no means of controlling their internal temperature, this is very significant. And assuming the other fish are those in your signature block, 76-77F will be fine.
It is generally best to stay in the middle of the temperature range for any species. The higher the temperature, the harder the fish has to work just to function normally, and this takes more oxygen and wears the fish down faster.