erratic swimming

I’ve had him for awhile now, still small maybe 5-6 inches, usually he’s chill hanging out but about half the time he flies around the tank and jumps the water surface and tries to swim through the glass corners, not sure what’s wrong, and advice would be appreciated, water was a little warm so I...

I have a senior rope fish (I've had her for 10 years, no idea how old she was when I got her) who is suffering! I pulled her out of my 55 that I just finished a salt/heat treatment for ich in. As of last night, around midnight, she's been lethargic and when she does swim she's without...