Neritic zone is the region of shallow water approximately 200 meters in depth. The abundance of sunlight and nutrients in this zone, this is most productive zone of the ocean which supports marine life.
Littoral zone is the part of sea which is close to the shore. Organisms in this area are sponges, snails and crabs. It is low tidal zone which is around the shoreline. There aquatic vegetation in this area which is by man made lakes.
