arapaimag said:I don't think you will have a problem. The fish will probably never max out. There are 5 recognized species. Only 1 (Cichla temensis) is a real tank buster and actually gets bigger than 30 inches in the wild.
Most the people I know have never had them in a tank even as big as 300 gallons.
Do Lots of water changes and don't crowd the tank and you should be fine.
that is one big mutha fuggin bassmauls said:I know this isn't in captivity, but this is the biggest one i've seen. Its gotta be close to 4ft, just compare it to the body size of the guy holding it.
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