Zoidberg failed at another surgery, he tends not to understand the human anatomy. He assumes that humans are weird crab-like things with seven stomachs like him. Even though they're not this type of thinking is extremely flawed. It doesn't stop him from maintaining these absurd beliefs all the same. He finished disposing of the carcass.

After a while, he began to roam around for food, if there was anything he loved it was food. Granted, he doesn't care if the food's moldy, expired, or even revolting he'll eat anything he can get his hands on. Did it matter if the food was hygienic to him? Not particularly, he'll eat anything or anyone that he can get his grubby hands on.

He eventually sees your arm and bites it, causing you to bitchslap him in the face. He stumbles back a bit, you glare at him trying to figure out what the hell is wrong with him only for him to squint. He eventually speaks up. "Oh sorry there, I thought you were a coral reef! My apologies human." Trying to make sense of his madness was something else.