Guy Edwardes / Rock formations at Kimmeridge Bay, Clavell Tower in background, Isle of Purbeck, Jurassic Coast, Dorset, England, UK. December 2010.

Ernie Janes / Low tide on the Wash, Snettisham, Norfolk, England, UK, February.

Ole Jorgen Liodden / Marine iguana (Amblyrhynchus cristatus) silhouetted on the coast at sunset, Galapagos.

Hougaard Malan / Lighthouse at sunset. Kommetjie, Cape Town, South Africa. November 2008.

Hougaard Malan / Large wave crashing against rock shelf. Luphathana, Pondoland, Eastern Cape, South Africa. June 2012.

Alex Hyde / Various rockpool animals and seaweeds, photographed on a white background. Isle of Skye, Inner Hebrides, Scotland, UK, March. Digital composite.

Nick Upton / Split level view of a Beadlet anemone (Actinia equina) attached to a boulder encrusted with Maerl (Lithothamnion glaciale) a red coralline alga, in a large rockpool, Crail, Scotland, UK, July

Bertie Gregory / 2020VISION / Young boys playing, putting seaweed on their heads whilst rockpooling, Falmouth, Cornwall, England, UK, July 2011 Model released

Alex Mustard / 2020VISION / View up through tidepool of 2020Vision young photographer, Bertie Gregory, Falmouth, Cornwall, UK, July 2011. Model released. Did you know? Life isn? easy in a rock pool! Animals here must deal with c...

Brandon Cole / Tidepool showing Ochre sea stars (Pisaster ochraceus), Giant green sea anemones (Anthopleura xanthogrammica) and Purple Sea Urchins (Stronglyocentrotus purpuratus). Oregon Coast, USA, Pacific Ocean.

Brandon Cole / Split level view of a tidepool showing Ochre sea stars (Pisaster ochraceus), Giant green sea anemones (Anthopleura xanthogrammica) and Purple Sea Urchins (Stronglyocentrotus purpuratus). Oregon Coast,...

Brandon Cole / Woman (model released) explores tidepools exposed during a summer's extreme low tide. Split level view of a tidepool showing Ochre sea stars (Pisaster ochraceus), Giant green sea anemones (Anthopleura...

Brandon Cole / Woman (model released) explores tidepools exposed during a summer's extreme low tide. Split level view of a tidepool, marine life includes Ochre sea stars (Pisaster ochraceus), Purple sea urchins (Str...

Brandon Cole / Split level view of a tidepool, marine life includes Ochre sea stars (Pisaster ochraceus), Purple sea urchins (Stronglyocentrotus purpuratus) and various algaes. Oregon Coast, USA, Pacific Ocean.

Wild Wonders of Europe / Muńoz / Algae growing in a pool on a rock, Scarista Beach, Sound of Taransay, South Harris, Outer Hebrides, Scotland, UK, June 2009

Dan Burton / Children checking their bucket for animals caught in a tidepool on Exmouth Beach, Devon, UK, September 2009, Model released.

Dan Burton / Young girl fishing in a tidepool on Exmouth Beach, Devon, UK, September 2009, Model released.

Wild Wonders of Europe / Novák / Aerial view of coastal landscape at low tide with channels and pools, Hallig, Germany, April 2009

Wild Wonders of Europe / Novák / Aerial view of channels and pools left in sand at low tide, Hallig, Germany, April 2009

Kirkendall-Spring / Rocks and tidal pools on Shi Shi Beach, Pacific Coast, Olympic NP, Washington, USA

Kirkendall-Spring / Tidal pool and rocks on the shore of Cape Lookout State Park, Oregon, USA

Roger Powell / Black-headed gull (Larus ridibundus) walking through a tidal pool on the beach, Amble, Northumberland, UK. June.

Robin Chittenden / Bar-tailed godwit (Limosa lapponica) feeding on a lugworm in a tidal pool, Holy Island Nature Reserve, Northumberland, UK. February.

Robin Chittenden / Bar-tailed godwit (Limosa lapponica) feeding on a lugworm in a tidal pool, Holy Island Nature Reserve, Northumberland, UK. February.

Robin Chittenden / Bar-tailed godwit (Limosa lapponica) pulling out a lugworm from a tidal pool, Holy Island Nature Reserve, Northumberland, UK. February.

Robin Chittenden / Eurasian oystercatcher (Haematopus ostralegus) feeding on a clam in a tidal pool, Holy Island Nature Reserve, Northumberland, England, UK. February.

Robin Chittenden / Eurasian oystercatcher (Haematopus ostralegus) catching a clam shell from a tidal pool, Holy Island Nature Reserve, Northumberland, England, UK. February.

David Fleetham / Aerial view of Waioka Pond, also known as Venus Pool, a hidden gem along the rugged coastline, Maui, Hawaii, USA. August, 2020.

Magnus Lundgren / Raja Ampat epaulette shark / Indonesian speckled carpetshark (Hemiscyllium freycineti) in shallow water, Raja Ampat, West Papua, Indonesia, Pacific Ocean.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) basking in sun-warmed salt pool, Santa Cruz Island, Galapagos, South America.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) basking in sun-warmed salt pool, Santa Cruz Island, Galapagos, South America.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) basking in sun-warmed salt pond, with Flamingo (Phoenicopterus ruber) flying past, Santa Cruz Island, Galapagos, South America.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) basking in sun-warmed salt pool, tail detail, Santa Cruz Island, Galapagos, South America.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) resting in sun-warmed tide pool, Santiago Island, Galapagos, South America.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) resting in sun-warmed tide pool, Santiago Island, Galapagos, South America.

Alex Mustard / Spiral wrack (Fucus spiralis) with fruiting bodies photographed in a rock pool, with common periwinkle (Littorina littorea). Looe, Cornwall, England, United Kingdom. English Channel, North East Atlant...

Ross Hoddinott / Tidal pool, reflections and sunset at Sandymouth Bay, Cornwall, UK.

Duncan Murrell / Yellow-lipped / banded sea krait (Laticauda colubrina) in a tide pool in the Woodin Canal in the Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems UNESCO World Heritage Site. New Cale...

Paul Williams / Using a specialist motion control rig to film underwater timelapse in a rockpool. On production for BBC Blue Planet II, Vancouver island, British Columbia, Canada, July.

Paul Williams / Ochre starfish (Pisaster ochraceus) Goose barnacles (Pollicipes polymerus) California mussel (Mytilus californianus) and Giant green anenome (Anthopleura xanthogrammica) in rock pool, Vancouver Island...