In total, there are over 400 species of freshwater fish in Russia. They differ in behavior, time of activity and many other characteristics. A description of the brightest fish will be presented to your attention. The variety of river fish has been of interest to humans since ancient times. Our ancestors used fishing to feed their families. Now, fishing is most often a hobby or leisure. Among the many species of river fish, there are both peaceful fish and real predators. They are distinguished by the presence of sharp teeth and a wide mouth, which makes it possible to swallow fish and other animals without much difficulty.