First thoughts on this chap is heater burn, but the wound is deep and the paler skin on top of the head does run down to the other side of the gill plate indicating bacterial problem (maybe or it could just be his markings) there is no sign of any fungus on or around the wound, it could it have been done on decor possibly?. Its the only mark on the entire fish, it seems unusual a single site of infection of this size, his fins are intact and perfect no sign of fin rot. I have no idea of the stats of the water he came from.
He is lucky he has not lost his eye, if it was a bite I would have thought his eye would have gone too. If I can get him well he will join my weather loach group. I am wondering what could have caused this.
He is lucky he has not lost his eye, if it was a bite I would have thought his eye would have gone too. If I can get him well he will join my weather loach group. I am wondering what could have caused this.