The creatures that live in the water flow was found to have adapted to survive in the lives, such as a streamline shape to reduce the resistance of the current. Such as some kind of flat shape with the area of the island. Larvae of some insects can stick tightly to the surface living, such as insect worm casing water and fresh water bubbles Some animals can be extracted mucus adhesion to use, such as clams, Turbellaria, etc., and in addition, it was found that certain types of fish, such as the spotted barb. Rasbora waterfall, Republic of Senegal PLA pluang. And stone lapping fish is behavior modification by swimming upstream.