13990866 - This Marine iguana (Amblyrhynchus cristatus) was photographed shortly after emerging from the ocean through the mangroves after a morning of feeding underwater on algae,Santa Cruz Island,Galapagos,Ecuador13986643 - Marine Iguana (Conolophus subcristatus) feeding on algae off Fernandina Island,Fernandina Island,Galapagos Islands,Ecuador14307347 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) feeding on algae at low tide in the Galapagos, UNESCO World Heritage Site, Ecuador, South America71405265 - Adult male Galapagos marine iguana (Amblyrhynchus cristatus), underwater, Fernandina Island, Galapagos, Ecuador, South America70424140 - California, Giant kelp frond showing pneumatocysts (Macrocystis pyrifera) Catalina Island, Channel Islands National Marine Sanctuary.70407545 - Giant Kelp growing in the water, the largest brown algae, Macrocystis pyrifera70407542 - Frogfish pair disguised as an algae, Antennarius pictus, Gilimanuk, Nationalpark Bali Barat, Bali, Indonesia, SE Asia14352110 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America14307340 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) feeding underwater in the Galapagos, UNESCO World Heritage Site, Ecuador, South America13787779 - Aerial View Of Carrageenan Seaweed Plantation On The Bukit Peninsula Of Bali; Bali,Indonesia13776729 - Sunlight streaming through a forest of giant kelp (Macrocystis pyrifera), off Santa Barbara Island; California, United States of America13788206 - Bukit Peninsula, Bali, Indonesia13787772 - Aerial View Over The Cliffs, Reefs And Beaches Of The Bukit Peninsula Of Bali; Bali,Indonesia13791677 - Lady Collecting Seaweed At Dawn Beside Dhow On Matemwe Beach13998354 - A worker rakes up piles of sargassum seaweed off the beach every day at San Pedro on Ambergris Caye,Belize. The inundations of seaweed have gotten worse since 2011 because of increased water pollution and climate change.14091895 - Montaña Bermeja beach in Lanzarote, Canary Islands, Spain14091857 - Montaña Bermeja beach in Lanzarote, Canary Islands, Spain14088853 - Green Lake Jr. in Lanzarote, Canary Islands, Spain14088896 - Green Lake Jr. in Lanzarote, Canary Islands, Spain14092624 - Montaña Bermeja beach in Lanzarote, Canary Islands, Spain14089961 - Montaña Bermeja beach in Lanzarote, Canary Islands, Spain14090081 - Green Lake Jr. in Lanzarote, Canary Islands, Spain14090024 - Montaña Bermeja beach in Lanzarote, Canary Islands, Spain13821212 - The mythical cow shark or “seven gills” (Notorhyncus cepedianus), the only existing example of the genus Notorhyncus of the Hexanchidae family, is easily recognized by the presence of 7 gill slits, typical of sharks of the ancient Mesozoic species.14395762 - Patterns in the kelp at low tide on South Georgia Island, Southern Ocean14348241 - The Lindblad Expedition ship National Geographic Explorer in the Svalbard Archipelago, Norway, Arctic, Europe70424139 - California, Catalina Island, Sunlight streaming through a forest of giant kelp (Macrocystis pyrifera).70424138 - California, Catalina Island, Sunlight streaming through a forest of giant kelp (Macrocystis pyrifera).70078505 - Rabbitfish and Pacific chub mackerel, Siganus sp., Macarela estornino, Scomber japonicus, Mexico, Sea of Cortez, Baja California, La Paz70304118 - Shells and barnacles on stone70304117 - Shells and barnacles on stone71071888 - Chef holding bowl of ramen in restaurant71071889 - High angle view of bowl of ramen71026295 - High angle view of knotted seaweed in heart shape on beach, Sayulita, Nayarit, Mexico