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    Marine iguana feeding on green algae at low tide with lightfoot crabs, Fernandina Island, Galapagos Archipelago, Ecuador — Stock Photo
    Marine iguana feeding on green algae at low tide with lightfoot crabs, Fernandina Island, Galapagos Archipelago, Ecuador
    Giant Kelp near Catalina Island — Stock Photo
    Giant Kelp near Catalina Island
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Gastropod molluscs with tentacles swimming among seaweed in transparent ocean water on blue background — Stock Photo
    Gastropod molluscs with tentacles swimming among seaweed in transparent ocean water on blue background
    United Kingdom, Scotland, Highlands, Isle of Skye, seals on the island bay with stones overgrown by algae — Stock Photo
    United Kingdom, Scotland, Highlands, Isle of Skye, seals on the island bay with stones overgrown by algae
    Endictya oceanica diatom — Stock Photo
    Endictya oceanica diatom
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Actinocyclus sp. diatom unicellular algae — Stock Photo
    Actinocyclus sp. diatom unicellular algae
    Red Bigeye hovering under coral reef — Stock Photo
    Red Bigeye hovering under coral reef
    Giant kelp forest — Stock Photo
    Giant kelp forest
    A Blue Dragon Nudibranch (Pteraeolidia semperi) on the backwall of Molokini Crater, offshore of Maui; Molokini Crater, Maui, Hawaii, United States of America — Stock Photo
    A Blue Dragon Nudibranch (Pteraeolidia semperi) on the backwall of Molokini Crater, offshore of Maui; Molokini Crater, Maui, Hawaii, United States of America
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Basket of fresh oysters — Stock Photo
    Basket of fresh oysters
    White nudibranch with black feathers — Stock Photo
    White nudibranch with black feathers
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Black spiny urchins on sandy seafloor — Stock Photo
    Black spiny urchins on sandy seafloor
    Spotfin butterflyfish feeding on coral reef — Stock Photo
    Spotfin butterflyfish feeding on coral reef
    Star trails and bioluminescence in Gippsland lake — Stock Photo
    Star trails and bioluminescence in Gippsland lake
    Florida manatee covered with algae in Crystal River, Florida, USA — Stock Photo
    Florida manatee covered with algae in Crystal River, Florida, USA
    Giant kelp forest — Stock Photo
    Giant kelp forest
    United Kingdom, Scotland, Aberdeenshire, Stonehaven, Small port town cityscape — Stock Photo
    United Kingdom, Scotland, Aberdeenshire, Stonehaven, Small port town cityscape
    Giant kelp branch closeup shot — Stock Photo
    Giant kelp branch closeup shot
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Wet sandy shore on sunny daytime in Norway beach — Stock Photo
    Wet sandy shore on sunny daytime in Norway beach
    United Kingdom, Scotland, Highlands, Isle of Skye, seal on the island bay with stones overgrown by algae, closeup — Stock Photo
    United Kingdom, Scotland, Highlands, Isle of Skye, seal on the island bay with stones overgrown by algae, closeup
    Tea in a cup with a spoon and a knife on a white background — Stock Photo
    Tea in a cup with a spoon and a knife on a white background
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    A dry baking mixture for an algae gugelhupf in a glass jar — Stock Photo
    A dry baking mixture for an algae gugelhupf in a glass jar
    Ramen soup with mushrooms, chashu pork and ajitama ramen eggs — Stock Photo
    Ramen soup with mushrooms, chashu pork and ajitama ramen eggs
    Birds on wet sandy shore on sunny daytime in beach — Stock Photo
    Birds on wet sandy shore on sunny daytime in beach
    Quinoa sushi with smoked salmon, dyed in beetroot juice — Stock Photo
    Quinoa sushi with smoked salmon, dyed in beetroot juice
    Spirulina tablets and spirulina powder on wooden spoons — Stock Photo
    Spirulina tablets and spirulina powder on wooden spoons
    Gray Snapper swimming in wreckage — Stock Photo
    Gray Snapper swimming in wreckage