is it fin rot or my other angel

[angelmanlover]

yesterday i woke up and there i saw most beautiful angel and half its tail is gone! it still has its bones from the half that has no flesh is it fin rot or is my otheer angel messing with him what should i do get medical water or what! help would be really nice.

 

[jpjn]

Are you able to post a pic?
Has your other angel been showing aggression towards the other? Treat with some Melafix and Pimafix and he should be fine.
But keep an eye out that it ISN'T the other Angel doing it.