Gray Damsel with yellow tail acting weird

C

Capthlp

I have a gray damsel(yellow tail) that is swimming upside down and in circles. I have isolated him in the tank so the other fish won't pick on it. He has been eating and there are no signs of ich or any other skin disorders. Anyone have any idea on what may be wrong with it?

Thanks,
 
Hrmm.. does his abdomen look swelled? Sounds like a swim bladder issue, but I've never seen that in any of my fish.
 
No he looks fairly normal, is still very active and does calm down when i have him in the isolation container at the bottom of the tank. Eyes look normal. Water conditions are good and all other fish look fine. Under my moon lighting he looked a little light colored in the front half of his body but under normal lighting no noticable difference. I also noticed he has been extending his dorsal fin a lot. Does not appear to be stressed except for when he starts swimming in circles. In the container (tupperware container with plenty of holes in it and a lid) he calms down but that may be related to the amount of room he has while in there. His partner (bought them in pairs) is still very curious and hangs outside the container checking on him.

I have come across a few postings on the internet but most of them are related to fish giving birth. This fish does not appear to be pregnant.

Thanks,
 
In examining him closer this morning I noticed that the fin on his right side may have been damaged some. The fin structure looks intact but the very ends are uneven as opposed to rounded like the left fin. I will keep an eye on that and see what happens.

Geo
 
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