What's This Swelling?

[ponyboy]

No clue what this is at all. Swelled up pretty good. All was good last night.

He's breathing and moving his eyes like he's looking around but not swimming. I have him in a small tank beside DT.

 

[Luke.]

Over feed ? Or maybe a swim bladder ?

 

[ponyboy]

His right fin is all swollen. Was swimming funny when I saw him this morning, he was gone in about an hour and a half.

 

[Nonuser]

could it have been stung by something? they love resting on stuff. Sorry for your loss.

 

[ponyboy]

I know there are 2 large aiptasia. My peppermints have been gone a couple months. I also have 6 rbta now but my maroons pretty much keep everyone away. There are some skinny bristle worms approaching 6 inches that stick to the bottom.

I also thought he may have gotten nasty stings near his gills.

Also, SOMETHING put a hole in the side of a yellow watchman a few months back. I thought maybe it was an arrow crab I had at the time. The only really aggressive thing in the tank is a 3-4 inch pistol shrimp but I've never seen him hurt anything, just makes a lot of noise.