Razee, we saw some adult carpets in a shop the other day - they sure do get big lol! Luckily we have a good while for Arty to grow with us - I certainly wouldn't want to just take on an adult as they seem huge - but I bet by the time Arty is that size we won't even notice :P Corno cerrtainly doesn't seem very big to me, and she's huge compared to the hatchies we see in the shop we got her from as a hatchie!