For my fish, I used my favorite colors of blue and red for the grid pattern, along with purple. Then, I chose to use orange, pink, and green to color the border of my fish. For the tail fin, I used blue.
An extension activity that could be done with this project is to have students create several different animals using paper plates. Because patterns were a large part of the project, they should also be included in the other animals. Some examples of animals that students can create are cats, dogs, elephants, and any animal that has a large body. Instead of using markers, I would consider having students color the border of their fish with paint. That way, students don't have to worry about drying out their markers. However, paint often means more mess, so that will need to be taken into consideration.