Freshwater Fish vs. Saltwater Fish: Key Differences and Habitats Explained
Freshwater fish and saltwater fish are not synonymous. Freshwater fish live in rivers and lakes with low dissolved salt. Saltwater fish, found in ocean water, face higher salinity. Freshwater fish absorb salt through their gills using chloride cells, while saltwater fish have different adaptations to manage sodium and calcium levels. In contrast, saltwater fish inhabit … Read more