Joys of live rock!!!
I just found a feather duster on my live rock!!!! (I wish this picture was clearer, but you get the idea...)
*jumps for joy!*
Marlin: Okay, a mollusk walks up to this sea cucumber, well he doesn't actually walk, he's just there, and he turns to the sea cucumber, and... Well, wait, there's a mollusk and a sea cucumber and...
Chum: You know for a clown fish, he's not that funny.