Unknown Scallop

In most episodes, in the background, Spongebob has a pet scallop. This scallop's name is unknown. Spongebob has vever been seen interacting with it. It stays still on a bar and does not move.

Biography
During various epsiodes, this scallop has been seen in the background. It first appeared in the epsisode Help Wanted. His cage was hanging above Gary. In Rock-a-Bye Bivalve, Spongebob and Patrick completely forget that Spongebob already has a pet scallop. This pet has never been shown being fed. In the episode House Sittin' For Sandy, Spongebob gets really close to him but, never interacted.

Habbitat
The scallop lives in a cage above Gary in Spongebob's bedroom. His cage has a bar and he is seen roosting. He might be here just for design, however he is a living creature.