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The intertidal zone extends from the wave-splashed rocks down to the low tide zone. There are many different places to live in these zones. There are many different kinds of animals in each of the different zones. Some animals that can't stay out of the water for long are found in the low tide zone. Other animals like limpets and snails live by the splash zone because they can stay out of the water longer. Low Tide Zone - crabs, sculpins, sea urchins, abalones, barnacles, and anemones Mid Tide Zone - goose barnacles, mussels, chitons, sea sacks, and ochre stars High Tide Zone - periwinkles, limpets, shore crabs, and turban snails Splash Zone- periwinkles, and limpets
New Moon   High tide 6 hours later > Low tide
6 hours later > High tide 6 hours later > Low tide
The highest and lowest tides happen every two weeks during the full moon and new moon because the gravitational force of both the moon and the sun are pulling on the ocean water. There are two high tides and two low tides during a day (24 hours). High tide: When the sun and the moon are lined up with the earth, they have a great gravitational pull on the earth. When this happens, it causes the water to be pulled away from the earth Low tide: When your area is not lined up with the moon, you will have low tides. The low spring tides are usually best for exploring, especially in the lower part of the intertidal zone.