Low angle of low tide, Puerto Peñasco, Gulf of California, Mexico

bahia la choyas tidal pools intertidal beach low tide cholla bay littoral zone rocky shore puerto penasco foreshore mud flats rocky point marine biomes rock flats marine habitat sand flats pacific ocean coast estuary gulf of california laguna del mar shoreline seascape vermillion sea tide going out deciding tide sand ridges extreme ecosystem ecosystems sonora state sonora nature habitat ecology mexico stream crevices flowing solitude lichens biodiversity holes surf low angle rocky reflective fragile title ranges drastic change cracks