fungal infections

Does anyone know what this is ? I’ve had this fish for 4 yrs now and never have issues but this problem is just getting worse. It is eating fine and still plenty of movement and doesn’t seem bothered by it but I’m guessing it’s fungus from somewhere . Everything else in the tank is fine and all...

Alright, so I tried the Methylene blue just by putting a drop on each fungal wound with a syringe. Most of it was streaming down the frog's head so I rinsed a bit off with a turkey baster and tank water, but the methylene stayed on the fungal wounds so that is good. I realized I didnt have to...