So yesterday I got a canary bunny and a clown ranch and added it to my tank with a coral beauty and then I woke up this morning and the coral is dead coincidence maybe the call of duty just decided to stop was stopped eating for a while and it died that way I have no idea what could happen. The other two fish are fine. I also have two clownish in there with the other two and just died the coral please help I need to know what happened