Hi,

I've noticed recently that the fins of a few of my x-ray tetras are getting frayed at the ends and one of them is loosing its colour. But they are still swimming around happily and don't appear sick. I have 5 rummy nose, 5 x-ray tetras, 2 yamatos, 2 horn nerite snails and 1 golden panchax in my tank....

I'm not too sure if its nipping between the fishes that causes this or is it some kinda sickness, would appreciate it if anyone can enlighten me.