Fancy Godfish

fancy goldfish can have warmer temps than say Comets. A heater is usually placed in the tank to keep the temp from fluctuating too much. I usually keep my tank at 74, I've read that anywhere between 60 and 75 is fine.
 
Ok, thanks for the info. I am going to buy a book (eventually) before I get started and read up on everything about them. Do you have any suggestions?
 
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