Freshwater vs. Saltwater Fish: Which Has More Species and Survival Challenges?
Freshwater fish species outnumber saltwater fish. There are about 15,149 freshwater fish species and 14,736 saltwater species. Although oceans hold 97% of Earth’s water, biodiversity is higher in freshwater ecosystems. This is due to distinct ecological conditions and unique evolutionary paths in these habitats. In contrast, saltwater fish species exceed 20,000, showcasing a greater overall … Read more