The Rainbow Fish | Teaching Ideas Jun 12, 2015The Rainbow Fish's scales 'shimmer'. Can you find other words that could be used to describe the scales? At one point in the story, the Rainbow Fish becomes the 'loneliest fish in the entire ocean'. Try a role play activity to interview him and find out how he is feeling. Can you suggest things that he could do to find some friends?100%(1) The Rainbow Fish Lesson Plans, Activities, and Ideas | A After reading and discussing the story, making a rainbow fish is a fun follow-up activity. Find lesson plans for making a paper plate rainbow fish, watercolor rainbow fish, or a wax resist rainbow fish.