mouth

Hi guys, need some help. My stingray suddenly developed redness in its mouth and i see it opens its mouth widely when it climbs the glass or glides on water. It has been like this for a week now and it also stopped feeding. It is still quite active but probably because it is irritated /...

Hi guys need help with my dat. He recently panicked and hit the driftwood inside the tank head on. There is some wound near the mouth. The problem that I see is that his mouth is open and it seems he cannot close it. Can anyone recommend some things i can do to help him ? thanks !