i have an osacar,,, almost 5 inches... ive had him for months now with my senegal bichirs... i have this problem,,, the oscar has something on his anus,,, a red looking thing, like a small red egg? but it is covered with thin white mucy=us, what could it be,,? its red and the size is like a small round earing... i dont know what it is, please help me..




