I just bought this fish and setup. The person I bought it from had this big fish in a 60 gallon tank. I’m buying a 180 gallon setup tomorrow. I’ve had a female Dovii before when I lived on the east coast, but I don’t know for sure what the sex is of this one. I assumed male but I wanted any confirmation? Also, I’ve never had a Dovii or any cichlid for that matter of this size.... how much do I feed him and how often? Is there any other fish you can keep in a tank with this fish? He (or she) is extremely aggressive. Like don’t touch the glass or he’s rushing it mouth wide.