from 180G to 450G would be considered a big change for your CK
its natural for him/her to "explore" the tank first before eating, like the other members said give him time to find your CK's bearings and when he's settled in.. get ready for a monster to feed LOL
its natural for him/her to "explore" the tank first before eating, like the other members said give him time to find your CK's bearings and when he's settled in.. get ready for a monster to feed LOL