fauna 320 species mammals 732 species amphibians 343 species freshwater fish endemism saltwater fishes cyclostomata invertebrates Russian
Russian fauna is composed of 320 species of mammals, over 732 species of birds, 75 species of reptiles, about 30 species of amphibians, 343 species of freshwater fish (high endemism), approximately 1,500 species of saltwater fishes, 9 species of cyclostomata, and approximately 100–150,000 invertebrates (high endemism).