I have 2 fishes.
One is completely fine. The other one is not.
The one who isn't looks like he's full of air. He's not looking like a balloon or anything, he looks normal-ish, but turns around as if he had air in his stomach, and that "pulled" him up.
He swims weird, on the side (happened...
Not recently, they've been together for months, only these two. The other doesn't have any of these spots. They don't look like ich to me looking to the pictures I found, because these aren't pimple-like dots, they are only on the fins, and "blurry" in a way