scars

Hi guys My sinspilum get sick, (inflation & white seeds) i put it on tetracycline and salt soluble in 20min and after that remove the white seeds with tetracycline powder and cotton swab but little bleeding on scars of white seeds. please look at the picture and tell me should i do something...

I have a group of uaru and 2 have paired off and spawned which is great, baby fish. fun times, yadda yadda. problem is they are more aggressive now and the babies must look tasty so my other uaru have gotten beat up a bit and have lost some scales, which looks a little unsightly. is it possible...