There are many different names for a rock pool depending on where you are in the world. In some areas, they are called tide pools or tidal pools as they are formed by the tide coming in and out. In other places, they may be referred to as sea pools, ocean pools, or even saltwater pools. Some people also use the term rockpools or rockpools to refer to these shallow pools of water that form in the cracks and crevices of rocky shoreline. No matter what they're called, these pools are fascinating microcosms of marine life, and a great place to explore and learn more about the ocean and its creatures.