Okay a day after (today) Otis died (My swordtail) my neon looks messed up. It has some type of thing on the right side of its body. It looks like a worm type deal but I am not 100% about it. The thing on its body doesn't move and its really small. Its on its blue stripe. I don't know whats going on, and I am not even sure if its a worm or even a living thing on its body but I am worried.