Calix has been a little weird lately. His fins have been clamped, and I think he's biting them. He's not as vibrant as he was before. The past two days he's also not as active. Today he was lying on the bottom a lot. He still eats and his poop looks normal, though.
The water params in the tank should be normal, though. I've been changing the water regularly (it's a 10 gallon split and I do 2 w/cs per week), and the ammonia was fine when I checked. Octavian is perfectly fine too.
So today I removed him from the 10 gallon and switched with Albatross. Calix went into the 3 gallon Critter Keeper. I did a complete water change and put in some aquarium salt. The tank is a toasty 82 degrees.
Is there anything else I should do for him?