I used to buy fishes like oscar flower horn and small parrots after few years i bought a gar and it died it had a broken back from the moment i bought it but i was just a kid after they died my interest in fishes went away but after 2 years now i saw two gars around 9 inch and it was love at first sight i bought them but they are kind of in active and i like fishes like oscar and arowana so i thought id buy silver arowana but i dont know if they will be compatible please help me