What is Aquatic Rights?

Legal Definition
This is the name of those rights which individuals have in water, whether it be running, or otherwise.
-- Bouviers Law Dictionary
Legal Definition
Rights which individuals have to the use of the sea and rivers, for the. purpose of fishing and navigation, and also to the soil in the sea and rivers.
-- Black's Law Dictionary
Legal Definition
Rights of fishing and navigation and in the soil under the sea and rivers.
-- Ballentine's Law Dictionary