Pan left across the tide pools left on the beach after the tide goes out, Puerto Peñasco, Gulf of California, Mexico

puerto penasco bahia la choyas tidal pools cholla bay intertidal beach tide pools marine biomes littoral zone rocky point low tide foreshore rocky shore gulf of california coastal feature rock flats marine habitat seaside coastline sand flats beach pacific ocean shoreline seascape extreme ecosystem ecosystems environment mexico ocean nature reserve scenery ecology sand environmental conservation extreme terrain nature climate lichens wildlife reserve habitat refresh pan exploration rugged geography fluctuation rocky fragile drastic change title ranges