832-45458 - Evening mood at Skagsanden, beach near Flakstad, Flakstadsoya, Lofoten Islands, Nordland, Norway, Europe

832-45457 - Evening mood at Skagsanden, beach near Flakstad, Flakstadsoya, Lofoten Islands, Nordland, Norway, Europe

1113-74494 - Excursion boats, Playa de Masca, coast of Masca canyon, Tenerife, Canary Islands, Atlantic Ocean, Spain

1113-44815 - Female workers in seaweed farm, Jambiani, Zanzibar, Tanzania, Africa

718-1867 - Trees covered by orange trentepohlia, Waiotapu Thermal Area, Rotorua, North Island, New Zealand, Pacific

1113-11598 - Beach at Praia da Salema, Salema, Algarve, Portugal

1113-13682 - Algae covered pebbles on the beach at night, Ponta do Sol, Madeira, Portugal

1113-8864 - Coastal landscape with fishing boats, Lettermullan peninsula, Connemara, Co. Galway, Ireland, Europe

1113-6260 - Abandoned boat wreck near Bosham, West Sussex, England, Europe

1113-6261 - Abandoned boat wreck near Bosham, West Sussex, England, Europe

799-2223 - Algae lined rockpools on the coast at Gasadalur on the island of Vagar, Faroe Islands, Denmark, Europe

1116-29420 - Hawaii, Oahu, A bunch of fresh Limpets Opihi laying on a rock.

1116-29419 - Hawaii, Oahu, A bunch of fresh Limpets Opihi laying on a rock.

1116-33621 - Hawaii, Big Island, Hamakua Coast, Waipio Valley, stream rushing over mossy rocks.

1116-31085 - Hawaii, An endangered species, green sea turtles (Chelonia mydas) are a common sight in these waters.

1116-31076 - California, Giant kelp frond showing pneumatocysts (Macrocystis pyrifera) Catalina Island, Channel Islands National Marine Sanctuary.

1116-31086 - Hawaii, Goldring surgeonfish and yellow tangs are cleaning algae from the shell of this green sea turtle (Chelonia mydas) an endangered species.

1116-29418 - Hawaii, Oahu, A bunch of fresh Limpets Opihi laying on a rock.

1116-29417 - Hawaii, Oahu, A bunch of fresh Limpets Opihi laying on sand.

800-1394 - Laguna Colorada on the Altiplano, Potosi Department, Bolivia, South America

800-1395 - Laguna Colorada on the Altiplano, Potosi Department, Bolivia, South America

1116-968 - Astotin Lake Boardwalk

857-50848 - A bass fisherman casts for fish in the Toxic Blue Green Algae in the Copco Reservoir in Northern California.

857-50847 - A bass fisherman casts for fish in the Toxic Blue Green Algae in the Copco Reservoir in Northern California.

857-50846 - A water quality researcher samples Toxic Blue Green Algae in the Copco Reservoir in Northern California.

857-32785 - Jennifer Carroll, oyster hatchery manager and researcher at Center of Marine Biotechnology, Baltimore MD.She is holding a diploid Asian oyster C. ariakensis in the "algae kitchen" in the biosecure laboratory. She is studying reproduction to determine whether to introduce into the bay.

1103-306 - Red algae, Komodo, Indonesia, Southeast Asia, Asia

832-18480 - Outlet with colourful thermophilic bacteria and algae of the Sapphire Pool in Bisquit Basin, Yellowstone National Park, Wyoming, Idaho, Montana, America, United States

947-69 - Aerial view of algae bloom. Great South Channel of Chatham, MA, USA (rr)

947-68 - Aerial view of algae bloom. Great South Channel of Chatham, MA, USA (rr)

1022-84 - footballer sweep (neatypus obliquus) diagonal yellow bands are edged in black and stand out against the silvery-blue body, wild, day, marine protected area, reef, in small schools diving off Rottnest Island, Western Australia, Indian Ocean. MORE INFO: other name stripey, eating green algae as they sweep over the reef.

1022-80 - Jourdan's turban (turbo jourdani) large gastropod shell, reddish-brown, Rottnest Island reef, wild, day, marine protected area, free-diving off, cool temperate waters of Western Australia. MORE INFO: Marine plant common kelp, a dominant feature of the underwater landscape. Protected areas are covered in lush growth of diverse algae, also red algea are here.

909-45 - Kelp moved around in the surf. Snares Island, Subantarctic New Zealand.

909-44 - Kelp moved around in the surf. Auckland Island, Subantarctic New Zealand.

915-275 - Snakelocks Anemone Anemonia viridis with algae living inside the tentacles (rr)

915-700 - Turbinaria mesenterina or Montipora, Sipadan, Sabah, Malaysia, Borneo, South-east Asia

1067-63 - Short-tailed pipefish, Trachyrhamphus bicoarctatus, fluorescing. A pipefish is covered by algae which is fluorescing under blue light. Buyat Bay, North Sulawesi, Indonesia, Pacific Ocean.

1067-59 - Soft leather coral, Sarcophyton sp., bleaching. This soft coral has lost its symbiotic algae, zooxanthellae, and turned white due to high water temperatures. Buyat Bay, North Sulawesi, Indonesia, Pacific Ocean.

1034-119 - Chinstrap penguin (Pygoscelis antarctica) on rock with green algae, Hannah Point, Antarctica, Southern Ocean.

915-863 - Kelp (Laminaria hyperborea) and dulse ( Palmaria Palmata) exposed at low tide, St. Brides Haven, Pembrokeshire, Wales, UK, Europe

915-59 - Kelp holdfast, Laminaria digitata, Angle Bay, Milford Haven, Pembrokeshire, Wales, UK, Europe

915-862 - Thongweed (Himanthalia elongata), St. Brides Haven, Pembrokeshire, Wales, UK, Europe

915-861 - Thongweed (Himanthalia elongata), St. Brides Haven, Pembrokeshire, Wales, UK, Europe

915-860 - Kelp (Laminaria hyperborea) and dulse ( Palmaria Palmata) exposed at low tide, St. Brides Haven, Pembrokeshire, Wales, UK, Europe

915-276 - Snakelocks Anemone Anemonia viridis (rr)

915-53 - Sanderling, Calidris alba, feeding in algae, beach, France

915-864 - Button-like thalli of Thongweed (Himanthalia elongata), St. Brides Haven, Pembrokeshire, Wales, UK, Europe

915-122 - Algal turf growth after Sea Empress oil spill, Pembrokeshire (rr)

915-277 - Snakelocks Anemone (Anemonia viridis)

915-121 - Algal turf growth after Sea Empress oil spill, Pembrokeshire (rr)

915-52 - Sanderling, Calidris alba, and Turnstone, Arenaria interpres, feeding in algae, beach, France

915-50 - Sanderling, Calidris alba, feeding in algae, beach, France (rr)

970-698 - Seaweeds and algae in Rock Pool, Holy Island, Berwick-upon-tweed, Northumberland, UK.

970-683 - Enteromorpha & Ulva spp, St Abbs, Scotland, UK North Sea

970-447 - Edible Crab (Cancer pagarus), robust crab, brown in colour with black tips to claws amidst algae and soft corals, St Abbs, Scotland, UK North Sea

979-3032 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) foraging for algae underwater in the Galapagos Island Archipeligo, Ecuador

970-324 - Green wrasse (Labrus viridus) hiding amongst algae with head clearly showing, Malta, Maltese Islands, Mediterranean

1004-129 - Calcereous algae, Sark, British Isles

970-713 - Encrusting algae (Lithophyllum incrustans), typical pink colour on rocks in shallow water, St Abbs, Scotland, UK

970-686 - Sea Lettuce (Ulva lactuca), distinctively shaped green algae found in shallow rock pools, St Abbs, Scotland, UK North Sea

979-9204 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

970-329 - Goldline Blenny (Malacoctenus aurolineatus), great profile of head appearing above algae showing all coloration, Cayman Brac, Cayman Islands, Caribbean

979-3031 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) foraging for algae underwater in the Galapagos Island Archipeligo, Ecuador

979-9206 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

979-9451 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

970-685 - Sea Beech (Delesseria sanguinea), classic view of this algae which looks just like a beech tree leaf, St Abbs, Scotland, UK North Sea

970-435 - Edible Crab (Cancer pagarus), robust crab, brown in colour with black tips to claws amidst algae and soft corals, St Abbs, Scotland, UK North Sea

979-9198 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

979-9267 - Patterns in the kelp at low tide on New Island in the Falkland Islands, South Atlantic Ocean. MORE INFO Kelps are large seaweeds belonging to the brown algae (Phaeophyceae) in the order Laminariales.

970-437 - Edible Crab (Cancer pagarus), Juvenile pale brown in colour on brownish rock background, St Abbs, Scotland, UK North Sea

970-409 - (Chromodosis lochi), lovely small colourful nudibranch on algae, Tahiti, French Polynesia

970-112 - Small Rockfish (Scorpaena notata) resting amidst corals and algae, Gozo, Maltese Islands, Mediterranean

979-9452 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) feeding on fish at the Puerto Ayora fish market on Santa Cruz Island in the Galapagos Island Archipelago, Ecuador

979-3033 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) foraging for algae underwater in the Galapagos Island Archipeligo, Ecuador

979-9203 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

979-3034 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) foraging for algae underwater in the Galapagos Island Archipeligo, Ecuador

979-9200 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

979-9450 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

970-328 - Small Rockfish (Scorpaena notata) resting amidst corals and algae, Gozo, Maltese Islands, Mediterranean

970-331 - Goldline Blenny (Malacoctenus aurolineatus), great profile of head appearing above algae showing all coloration, Cayman Brac, Cayman Islands, Caribbean

1015-137 - Cowrie.

970-330 - Small Triplefin (Tripterygion melanurus minor), very distinctive shape and colour of fish in profile resting on algae, Gozo, Maltese Islands, Mediterranean

979-9449 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

979-9482 - Captive Galapagos giant tortoise (Geochelone elephantopus) with photographer at the Charles Darwin Research Station on Santa Cruz Island in the Galapagos Island Archipelago, Ecuador

970-408 - (Chromodosis lochi), lovely small colourful nudibranch on algae, Tahiti, French Polynesia

979-9402 - Red and green algae-covered snow on Petermann Island, Antarctica, Southern Ocean

970-530 - Red Algae spp., clump of red seaweeds encrusted by bryozoans, St Abbs, Scotland, UK NORTH SEA

970-111 - Small Rockfish (Scorpaena notata) resting amidst corals and algae, Gozo, Maltese Islands, Mediterranean

970-699 - Spiral Wrack (Fucus spiralis), clear view of inflated nodules at the ends of this algae view on the shore, St Abbs, Scotland, UK North Sea

970-400 - (Chromodosis lochi), lovely small colourful nudibranch on algae, Tahiti, French Polynesia

970-466 - Edible Crab (Cancer pagarus), robust crab, brown in colour with black tips to claws amidst algae and soft corals, St Abbs, Scotland, UK North Sea

970-690 - Wrack Species, Eyemouth Beach Fauna, Scotland, UK North Sea

970-712 - Branching Brown Algae (Dictyota dichotoma), clear view of branching feature of this brown seaweed, St Abbs, Scotland, UK North Sea

979-9202 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

979-9268 - Patterns in the kelp at low tide on South Georgia Island in the Southern Ocean. MORE INFO Kelps are large seaweeds belonging to the brown algae (Phaeophyceae) in the order Laminariales.

979-9199 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador

970-696 - Seaweeds on the shore, Holy Island, Berwick-upon-tweed, Northumberland, UK.

970-457 - Edible Crab (Cancer pagarus), robust crab, brown in colour with black tips to claws amidst algae and soft corals, St Abbs, Scotland, UK North Sea

970-180 - Redband parrotfish (Sparisoma aurofrenatum), looking to camera amidst corals and algae, Cayman Islands, Caribbean

970-557 - Hairy Kelp (Laminaria hyperborea),stype or stalk clearly showing algae colonisation and top shell grazing on same, St Abbs, Scotland, UK North Sea