What is in this image? Describe it in Simple English. As plain and simple as possible. No complex words, no long sentences. Still make sure to describe everything in the image.

This is a drawing of a crab and a shell. The crab has big eyes and claws. It is on the left side, facing the shell. The shell is on the right. It looks open and empty. Both are on what looks like the ground with water patterns around them. Everything is in black lines with no colors.