Cluster of Black Mussels Attached to Coastal Rock on Sunny Beach, Abel Tasman National Park, New Zealand

Group of Shags and Seabirds Perched on Lichen-Covered Rocks Above Tasman Sea Near Hokitika, West Coast, New Zealand

Cluster of Dark Mussels Attached to Sunlit Beach Rocks at Low Tide, Abel Tasman National Park, New Zealand

Sally lightfoot crab (Grapsus grapsus) in the littoral of the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Patterns in the mud flats in the Humber Estuary at Salt End, at low tide, Yorkshire, UK.

Old ship hulls being used to provide shelter to a ship yard at Salt End on the Humber Estuary, near Hull, Yorkshire, UK.

Ice and frost on the beach and sand dunes at Sandscale Haws near Barrow in Furness, Cumbria, England, United Kingdom, Europe