Freshwater Fish: How Many Types Are There? Species, Facts, and Conservation Insights
There are over 18,000 recognized freshwater fish species. They make up about 51% of all fish and 25% of all vertebrates. Freshwater fish are categorized into coldwater, coolwater, and warmwater types. For example, North America has hundreds of native freshwater fish species, showcasing their diverse geographical distribution. Freshwater fish play vital roles in ecosystems. They … Read more



