you can put a FH's in a small tank even adult just u need to keep the water very clean, with a good filter/filters, and give them a few marbles there happy :)... You do know they like pitchin marbles :)
Hey may I have the Flowerhorns? I have an empty 75gallon tank waiting for them... :) ill pay the shipping via paypal... just email me at [email protected] let me know. Thanks