I would treat as before mentioned, if its duck lips, can just treat and hope for the best,
are you sure not getting bullied when the lights are out? Its been my experience a fish that hangs out at the top corner of a tank or at top at the heater is being bullied.
are you sure not getting bullied when the lights are out? Its been my experience a fish that hangs out at the top corner of a tank or at top at the heater is being bullied.