Gru is a pig. Kimchi isn't much of an eater I've noticed. In the time I have had him (Heck, I don't even know if it is a him or her) I have witnessed one cricket being consumed. Gru goes cricket happy when I feed them but since Kimchi is never awake at the same time as Gru he never get's to devour a whack....or else maybe he doesn't want too? I'm sure he has eaten a little as he has been slightly fatter some mornings but I know he isn't getting to eat every night. I also have noticed her prefers to sleep at the very top of the tank or else only a few inches above the substrate, tucked behind the darn fountain. I thought tree frogs were all meant to sleep up high?