Thanks everyone for all the advice. I have removed the banjo cat already, and yes it does seem to be that one of the others bit him close to the gill area. He is currently in his own quarentine tank where he is now happily hiding at the bottom again. And as far as Pet Shops and Aquarium Shops and ...

Nevermind....

"Tankmates:

Should be occupants of other than the bottom and not so fast feeders as to deny the bottom-living banjo cats of their foods. Small tetras, gouramis, danios, easier-going barbs... as long as these are more than mouth size... "

Hmmmm....
" Water - You need not stress over pH. You can keep your banjo catfish with community fish or discus. Because of their sedentary ways, they actually make good discus buddies."

What would you recommend keeping him with then, i'll move him and get another fish to put in with him if ...

really?.....cause i'v never seen the kribs or convicts so much as even look at the banjo cat. Also, through lots of research, i'v found that even though certain fish somewhat prefer harder or softer water etc, its not absolutely necessary (although there are a few that it seems absolutely necessary ...

Hi, i'm new here, I just joined today because i'm a little worried about my banjo cat.
My banjo cat is my favorite cat out of all that i'v seen, and so the only one that i have actually kept. As long as i'v had him he's always hung out at the bottom of the tank, but latley he just floats at the top ...