Do Fish Need Saltwater to Live? Survival and Adaptability in Different Habitats
Saltwater fish need saltwater to live because they require salt to maintain their bodily functions. They drink seawater for hydration and excrete excess salt through their kidneys. Freshwater fish, on the other hand, absorb water and must retain salts. Each fish type survives based on its adapted environment for osmoregulation. In contrast, freshwater fish inhabit … Read more



