I’m probably a bit late, but I wanted to express my condolences for the loss of Casper. He was a beautiful fish! I saw your mention of his passing, but couldn’t find any detailed posts about it until I came across this thread. So sorry for your loss. Rest in peace, Casper. 
	
	
			
 
		 
	jjohnwm
  also wanted to know what happened, so i have tagged him.