Most muddy seashores lie in bays, where they are protected from strong waves. Rivers empty into many of these bays, decreasing the saltiness of the sea water. Crabs and turtles live among these plants. Clams and worms burrow into the muddy bottom of the seashores. Life on sandy shores.
Sandy beaches have fewer forms of life than do rocky or muddy shores.
Most plants and animals cannot attach themselves strongly enough in the loose sand to withstand the effects of waves and currents. Few plants live on sandy shores between the levels of high and low tide. David L. Garrison, Ph.D., Assistant Program Director, Ocean Sciences Division, National Science Foundation. How to cite this article.