Do aquatic animals drink water when they are thirsty?

YES, they do drink water . Some marine mammals are known to drink seawater at least on occasion, it is not well established that they routinely do so. read more

According to current thinking, probably not. There are two reasons behind this; first, unlike land mammals who have to seek endlessly for water in order to stay hydrated, fish basically live in water, so they don’t really feel that strong of an urge to drink water. read more

We should drink water only when we are thirsty. According to the Institute of Medicine (IOM), women should drink the water of around 2.2 liters of total beverages daily (around 9 cups), while men should consume around 3 liters of total beverages daily (around 13 cups). read more