Pygmy killer whale or even call it the Perizzites. It inhabits the coasts of Japan and Senegal. Well what to say, dearie relate to the family Delphinidae. So that meets dolphin. Paint the inhabitants of the seas, believe me, an interesting exercise.
Coloring in a raster (pixel) format. If you use a graphics editor such as adobe Photoshop, then using the fill can easily paint a picture. Outlines for coloring perfect to spend some time coloring on the computer. For children this can be fun and not an obsessive study of the work in the graphic editors, and knowledge of the world in different shades and colors.