I have two small fancy goldfish, they are about 2 years old. I noticed two days ago that one of them has small with pimply spots on the sides of his gills and on the edges of the fins under his gills. I have looked on the internet to find out what it could be as I am awear of white spot and the spawning pimples, however I dont know how to define which it is.
The fish isn't showing any signs of irritation by these spots, eg, scratching against gravel or orniments.
I don't know if the fish are male or female.....
My tank has a few real plants, lots of oxygen and the temp is at 20% (naturally, without a heater)
I'm unsure if I need to treat my fish for white spot, if it's not white spot, will treating them cause harm if it is spawning....not that I'm trying to breed them. But I don't want to cause ant distress to my fish!
Can someone please advise me!!!

White spot....Spawning? Treatment.....No treatment?
Thanks to anyone who can help!
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