It might be but as the article suggests it starts with pale holes but this is more like purple dots and as i pointed out in the original post its kinda similar to what abrasion does to our skins at least to my eyes and its superficial i think
I
IM sorry i thought i've attached the picture to the post.i will attach the picture to this reply
EDIT:If the attachment didnt work either there's a link to the picture in the post
Today when i was feeding my fish i noticed these spots on my fish's head so i got worried but didnt find anything similar to that on the internet(found something called red spots disease but doesnt really seem like it)
I have a mystery snail thats quite big.could it be caused by it falling on...