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    Basket of fresh oysters — Stock Photo
    Basket of fresh oysters
    Marine pennate diatom frustule — Stock Photo
    Marine pennate diatom frustule
    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
    Juvenile blue tang on coral reef — Stock Photo
    Juvenile blue tang on coral reef
    United Kingdom, Scotland, Highlands, Isle of Skye, seal on the island bay with stones overgrown by algae — Stock Photo
    United Kingdom, Scotland, Highlands, Isle of Skye, seal on the island bay with stones overgrown by algae
    Four manatees congregate to feed — Stock Photo
    Four manatees congregate to feed
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Avocado salad with nori — Stock Photo
    Avocado salad with nori
    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
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    One Maki Sushi — Stock Photo
    One Maki Sushi
    Spirulina tablets and spirulina powder on wooden spoons — Stock Photo
    Spirulina tablets and spirulina powder on wooden spoons
    Flatworm feeding on algae — Stock Photo
    Flatworm feeding on algae
    A male Bullethead Parrot (Chlororus sordidus) biting into turf algae forage growing on volcanic rock substrate adjacent to Lobe Coral (Porites lobata) at Molokini Crater which is located offshore of Maui; Molokini Crater, Maui, Hawaii, United States — Stock Photo
    A male Bullethead Parrot (Chlororus sordidus) biting into turf algae forage growing on volcanic rock substrate adjacent to Lobe Coral (Porites lobata) at Molokini Crater which is located offshore of Maui; Molokini Crater, Maui, Hawaii, United States
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Stones covered with green moss — Stock Photo
    Stones covered with green moss
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Seaweed with stipes growing on rough coral reefs with polyps under pure ocean aqua — Stock Photo
    Seaweed with stipes growing on rough coral reefs with polyps under pure ocean aqua
    Bioluminescence splashes in Gippsland lake — Stock Photo
    Bioluminescence splashes in Gippsland lake
    Giant kelp forest — Stock Photo
    Giant kelp forest
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Photosynthetic Navicula sp. diatom — Stock Photo
    Photosynthetic Navicula sp. diatom
    Chirashizushi and miso served in traditional Japanese dishes — Stock Photo
    Chirashizushi and miso served in traditional Japanese dishes
    Florida manatee covered with algae in Crystal River, Florida, USA — Stock Photo
    Florida manatee covered with algae in Crystal River, Florida, USA
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Seaweeds, kelp and sea shells on shore, full frame. — Stock Photo
    Seaweeds, kelp and sea shells on shore, full frame.
    Quinoa sushi with smoked salmon, dyed in beetroot juice — Stock Photo
    Quinoa sushi with smoked salmon, dyed in beetroot juice
    Smurf latte (vegan plant milk, blue spirulina, ginger and beetroot powder) — Stock Photo
    Smurf latte (vegan plant milk, blue spirulina, ginger and beetroot powder)
    Nemone surrounded by brown algae — Stock Photo
    Nemone surrounded by brown algae
    Fresh oysters, opened, on seaweed — Stock Photo
    Fresh oysters, opened, on seaweed
    Milletseed Butterflyfish (Chaetodon citrinellus) foraging near turf algae and feather hydroids (Gymnangium hians) on a reef at Ni'ihau island near Kauai, Hawaii, during the spring. This fish species is endemic to the Hawaiian Islands; Kauai, Hawaii — Stock Photo
    Milletseed Butterflyfish (Chaetodon citrinellus) foraging near turf algae and feather hydroids (Gymnangium hians) on a reef at Ni'ihau island near Kauai, Hawaii, during the spring. This fish species is endemic to the Hawaiian Islands; Kauai, Hawaii
    Assorted sushi on red platter — Stock Photo
    Assorted sushi on red platter
    Seaweeds, kelp and sea shells on shore, full frame. — Stock Photo
    Seaweeds, kelp and sea shells on shore, full frame.
    Endictya oceanica diatom — Stock Photo
    Endictya oceanica diatom
    Nigiri sushi with fish — Stock Photo
    Nigiri sushi with fish
    Raw tuna, sugar snap peas, soya sauce and spices — Stock Photo
    Raw tuna, sugar snap peas, soya sauce and spices
    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
    Seaweed with stipes growing on rough coral reefs with polyps under pure ocean aqua — Stock Photo
    Seaweed with stipes growing on rough coral reefs with polyps under pure ocean aqua
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Back view of man walking along wet beach among marine algae against blurred horizon and cloudy sky in daytime in Scotland — Stock Photo
    Back view of man walking along wet beach among marine algae against blurred horizon and cloudy sky in daytime in Scotland
    A plate of saltwort — Stock Photo
    A plate of saltwort
    Wet sandy shore on daytime in North beach — Stock Photo
    Wet sandy shore on daytime in North 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
    Giant Kelp near Catalina Island — Stock Photo
    Giant Kelp near Catalina Island
    Assorted sushi on board — Stock Photo
    Assorted sushi on board
    Nigiri sushi with scallop — Stock Photo
    Nigiri sushi with scallop
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Stoplight parrotfish feeding over reef — Stock Photo
    Stoplight parrotfish feeding over reef
    Flock of Gray Snappers swimming in current — Stock Photo
    Flock of Gray Snappers swimming in current
    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
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Nudibranchs pair in Papua New Guinea — Stock Photo
    Nudibranchs pair in Papua New Guinea
    Natural pattern of yellow bull kelp in water. — Stock Photo
    Natural pattern of yellow bull kelp in water.
    White nudibranch with black feathers — Stock Photo
    White nudibranch with black feathers
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae. — Stock Photo
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae.