I think my fish has this worm
I can see larvae worms swimming around in the water and hes got something hanging off his bum, but it hasnt gone away and although it looks a little poop colored its too long and thin to be poop.
The larvae dont seem to be going away, theyre like these little white threads about half an inch long at most.
I looked it up and I think its the camallanus.
Where do they come from and how do I treat and prevent this?