mine smacks at my magfloat when i clean the inside glass.
i've hand fed her silversides, and so far she's been way more interested in grabbing a bite to eat than smacking the hand that feeds her. although, she does rear up in defense mode every time i walk up to HER tank. she's quite a character, she's been building, tearing down, and rebuilding her den for days now. it's fascinating to watch,