Learn about Freshwater Life

Most of the ponds, lakes and rivers on the continents contain fresh water, which is less salty than ocean water. Plants and animals that are adapted to this low-salt content would not survive in the ocean. Pond and lake animals include a variety of fishes as well as insects, frogs, turtles, ducks and birds.
Vegetation includes algae along with rooted and floating plants such as water lilies and cattails. In rivers however, vegetation is often swept away by swift flowing water. As a result, animals in rivers tend to feed on insects, dead plants and animals that fall into the water from the banks. River animals are also adapted to survive currents. Tadpoles for example may use suckers to attach themselves to the rocks and streamline bodies make trout and salmon powerful swimmers.


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