Acadia national park - Jonah Crab
Underwater photo of a Jonah crab.
Glacier Bay National Park - Brittle Star
Brittle star in the intertidal zone of Glacier Bay
National parks: Crab - public domain image
Crab in Glacier Bay Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Glacier Bay National Park - Sea anemone
Sea anemone Public domain photograph of coral reef, underwater life, free to use, no copyright restrictions image - Picryl description
Brown Bear Eating Mussels - Public Domain image, National Parks Galler...
Brown bear eats mussels from an intertidal rock. Public domain photograph - lion, free to use, no copyright restrictions image - Picryl description
Barnacles at low tide and at sunset
View of barnacles at low tide with sun setting in background.
Brown Bear Looking for Dinner - Public Domain image, National Parks Ga...
Young brown bear in intertidal zone turning over rocks to find a meal of barnacles or other intertidal life.
National parks: Barnacles - public domain image
Barnacles clustered on rock Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
A close up of sand and shells on a beach. Ripples sand lines, backgrou...
Sand photograph - sand on the beach by / A close up of the sand on the beach / Public domain stock photo.
A large field of green grass and rocks. Estuary mud foreshore, backgro...
Public domain texture / The green grass is covered in moss / The green grass is growing on the ground.
Documenting intertidal communities - National Parks Gallery
Boston Harbor Islands National Recreation Area: Katie Kull, a researcher from the National Park Service Inventory and Monitoring Program, documents rocky intertidal communities on Calf Island as part of long te... More
Acadia national park - Rough periwinkle
Close up of a rough periwinkle. Public domain photograph of Mollusca, shell, furniture, free to use, no copyright restrictions image - Picryl description
Northern Sea Star - National Parks Gallery
Reddish orange sea star on dark algae. Public domain photograph of coral reef, underwater life, free to use, no copyright restrictions image - Picryl description
Acadia national park - Horse Mussels
Underwater photo of horse mussels with common periwinkles.
Acadia national park - Dog Whelk
Close up of a dog whelk. Public domain photograph of Mollusca, shell, furniture, free to use, no copyright restrictions image - Picryl description
Acadia national park - Tortoiseshell Limpet
Underwater photo of a tortoiseshell limpet.
Green Sea Urchin - National Parks Gallery
Underwater close up of green sea urchin extending tube feet.
Green Sea Urchin - National Parks Gallery
Underwater photo of green sea urchin extending tube feet.
Acadia national park - Green Crab
Underwater photo of green crab holding a periwinkle. Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Acadia national park - Common Periwinkle
Close up of a common periwinkle.
Jonah Crab Hiding - National Parks Gallery
A Jonah crab hiding in a tide pool.
Acadia national park - Common Periwinkles
Underwater photo of sea snails on kelp. Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
Green Sea Urchin Hiding - Public Domain image, National Parks Gallery
Green sea urchin hiding under algae and periwinkles. Public domain photograph of coral reef, underwater life, free to use, no copyright restrictions image - Picryl description
Acadia national park - Blue Mussels
Close up of blue mussels in a tide pool.
Northern Sea Star - National Parks Gallery
Sea star extending tube feet and moving on kelp. Public domain photograph of coral reef, underwater life, free to use, no copyright restrictions image - Picryl description
Acadia national park - Sea Snails
A dog whelk and a common periwinkle on barnacle covered rock.
National parks: Anemone - public domain image
Underwater photo of an anemone. Public domain photograph of molluscs, Mollusca, shell, free to use, no copyright restrictions image - Picryl description
Northern Sea Star - National Parks Gallery
Sea star moving over coralline crust past periwinkles. Public domain photograph of coral reef, underwater life, free to use, no copyright restrictions image - Picryl description
Dog Whelk Eggs - National Parks Gallery
Dog whelk eggs attached to underside of rock.
Sea Snails on Red Algae - Public Domain image, National Parks Gallery
A dog whelk and periwinkles on coralline algae.
Freshly Molted Green Crab - Public Domain image, National Parks Galler...
Underwater photo of a green crab (on left) next to its old shell (called an exoskeleton).
Acadia national park - Breadcrumb Sponge
Underwater photo of a green colored sponge surrounded by red algae.
Green Algae and Periwinkles - Public Domain image, National Parks Gall...
Underwater photo of sea snails is a forest of green algae.
Acadia national park - Smooth Periwinkle
Close up of a smooth periwinkle on algae.