Pan across tide pools at sunset, Puerto Peñasco, Gulf of California, Mexico

pan tide pool colorful sunset sand flats reflective mud flats sand ridges rock flats foreshore intertidal beach habitat littoral zone rocky shore marine biomes ecology extreme ecosystem drastic change holes cracks crevices biodiversity waves tide surf rocky estuary title ranges lichens marine habitat low tide nature shoreline solitude wildlife reserve scenery environment geography coastline rugged climate movement refresh fluctuation extreme terrain coastal feature environmental conservation nature reserve