There are few teaching courses for children's origami aquatic animals, but origami fish is common in the teaching courses for these aquatic animals! Today, you will learn this manual origami fish course for children, and teach you how to make a lovely tropical origami fish for children and its body structure. I believe adults and children are familiar with it, that is, it has a body structure similar to a pyramid. This body structure, represented by origami, is the very lovely hand-made origami you see in the renderings.