Not sure what my Clown has

[djlc13]

I recently noticed my clownfish had sort of white coloring on his top fin and back fin. He’s acting perfectly normal and eating so It doesn’t seem like ich. He’s by himself in a 10 gallon nano tank.
PH- 8.2
Ammonia- practically 0
Low nitrates and nitrites

 

[Jekyl]

Pics or it didn't happen

 

[djlc13]

Pics or it didn't happen