Cyno Possible Bloat

Cyno subdom male wasn't eating as of Friday night 5/11.  Didn't appear to eat Saturday morning.  Appeared to eat Saturday night.  Did not eat Sunday morning, or show interest in food.  Sunday evening, two cynos (including prior subdominant male) spitting food.  Other spitting fish possibly female.  Dosed 4g Metro and 20 Tbs Epsom.