He is a beige-colored fish skeleton, wearing only a pair of blue dirty jeans which are fitted loose on him, a brown belt, and a small brown hat which fits the top of his head. He also appears to be missing some of his teeth and does not have eyes.
Role in episode
Ribeye jumps out of his grave after Patrick touches his tombstone. He greets Patrick and the tourist cordially, but gets angry at them after the tourist accidentally breaks off his arm bone. He chases Patrick and the tourist around the graveyard and through Bikini Bottom. After running into Patrick's house and breaking into a pile of bones, he appears in the angry mob and complains about the tourist.