I just came down to see one of my clowns with Witt one of the bottom fins missing and one on the side all tore up!! He isnt using the fin much breathing isnt too crazy but he’s having a tough time swimming but still staying afloat! Parameters are normal I only have one other clown with him that doesn’t show any aggression they are inseparable! What is going on how do I help him!!!! Please help me!!!