- A piece of bread cut into shape with the help of a template.
- A piece of cheddar cheese slice cut into shape with the help of the template.
- Cheese for the white part of the eye.
- A tiny piece of blueberry for the black part of the eye.
- The outline of the gill and on the fins are made by slicing through a blueberry, so some blue color is left on the cheese.
Here is a picture of a Yellow Tang on Wiki: