Hi guys basically my jardini has been nasty lately so i need to get rid of him well then my LFS has suddenly got a GATF in so im willing to trade the jardini in for the goliath but i need to know if he will be compatible, i have a 210 gallon it has 4 cichla orinocensis 1 cichla ocellaris 2 oscar and a channa micropeltes the cichla are all 8 to 10 inch the channa is 10 inch and oscars are 8 inch the GATF will be 6 inch will i be able to mix these fish please give me as much knowledge as you can as i have until saturday to make a decision. i will post pics if you guys think it will help you visualise the stock?