I noticed last night that my sajica has an injury or something on his side. It is mostly white and the scales in the area are sticking up or missing. I added a new resin trunk ornament to the tank recently but had to sand it on every edge and opening once I received it (ordered online) because it has sharp edges all over. Once I put it in the tank I noticed a couple fish had scrapes on their sides so I took it out, sanded again, and put it back. After a few times of doing this and this injury(?) on the sajica, I finally removed it completely today. He’s acting normally and his other side looks normal. During a water change today I noticed a barb and the port acara flashing. Related?The first pic is the normal side. Is this an injury or something else?