Ideal temp for aro?

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Every person will have a different answer to this question.
I find 27-28 degrees celsius (80-82.4 fahrenheit) to be around the most comfortable for the fish. When the temps rise into the 30 degree c + (86+) they seem to eat less.
I also like this temp because it allows for + or - 3 degrees safe zone that can happen with water changes and still keep the arowana in it's safe temp zone.
Every person will have a different answer to this question.
 
Small silvers or blacks under 8" I go with 82-84*. Once they are larger 78-80*. I would never go below 76* or above 85* for any length of time.
 
76F-86F is fine but i suggest 80F-84F
 
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