What is the difference between freshwater brackishwater and salt water?

Answer 1

Both fresh water and salt water occur in nature, so both are natural. Note, however, that fish that live in fresh water generally cannot survive in salt water and fish that live in salt water generally cannot survive in fresh water.

Answer 2

In quiet waters that don't mix very much, such as the Baltic Sea, fresh water from rivers tends to stay on top, floating on the salt water from the ocean. This is caused by the difference in their densities.

Fishermen can catch fresh water fish near the top and salt water fish from lower down.

Where salt water and fresh water meet and mix you have 'brackish' water, which is halfway between salt and fresh, more or less. This is what usually happens in estuaries where a river meets the sea.

Answer 3

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