CBBF Fin Nipped

[vinccc2009]

Today I saw my CBBF staying in one corner of my tank.

Then I saw there is a nipped on its top fin. Pic attached..a bit blurred.

what should I do next?

[TayHongSiang]

Today I saw my CBBF staying in one corner of my tank.

Then I saw there is a nipped on its top fin. Pic attached..a bit blurred.

what should I do next?

your CBBF looks skinny...is it feeding? cd be a sign of ill health

[vinccc2009]

It's nibbling around my lr for a month.

It's eating some mysis.

It's swimming in and out of my rocks until I intro a flame angel yesterday.

Today it just stay in one corner..

Do you think fa did it?

What to buy to cure the nipped fin?