Oh yes, I must always provide the dorkiest commentary I can think of. :D I listen to the audio on these and think, "Wow. Gotta remember there's sound on these videos" and then I start babbling even more.
Oh yes, he's gotten chubby. I don't think he is being stunted by his tank but he does seem to be getting fatter and not longer. I feel like once a day, I should make him swim against a powerhead for 10 minutes or something, just so he exercises. o.O He'd probably zap the powerhead and short circuit it though.
Well, you have to consider that in the wild, he probably would never get a meal every day. Maybe eating once a week would be lucky for him. Maybe don't feed him every day I'd say? I know that's pretty standard for any large carnivore.