I’m hoping somebody can help me identify what is wrong with my Dwarf Gourami. I’ve had him for about 3-4 months. He is in a 10 gallon tank with 2 Cory catfish, and 2 platys.
Ammonia is zero
Nitrite is zero
Nitrate is 5.
I first noticed he had a little hole in his dorsal fin and was missing...