Okay I was just crying my eyes out because Alexander was laying on the very bottom of his tank,moitionless with no gill movement at all. I picked him up in the net he didnt move and he just fell to the bottom,So I started crying :/ Then 5 minutes later after watching him not moving at all and after just falling from the net with no movement he starts moving again. He just swam as fast as he could possibly to the top of his tank. I have no idea what happened. Could it be a complication due to his tumor? He's fine now...Has this ever happened to anyone????