Portal:Marine life/Topics

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Ocean zones:	Photic zone • Aphotic zone • Pelagic zone • Neritic zone • Littoral zone • Sublittoral zone • Benthic zone
Plants and Algae:	Algae • Brown algae • Red algae • Green algae • Seagrass • Phytoplankton
Invertebrates:	Squid • Cuttlefish • Crabs • Lobsters • Starfish • Sea Urchin • Jellyfish • Portuguese man o' war • Corals • Tunicates
Fish:	Lampreys • Jawless fish • Cartilagenous fish • Bony fish • Sharks • Rays • Skates • Coelacanths • Lungfish • Placodermi • Lobe-finned fish • Ray-finned fish • Sturgeons • Gars • Eels • Herrings • Salmon • Trout • Lancetfish • Anglerfish • Toadfish • Cods • Flyingfish • Seahorses • Flatfish • Scorpionfish • Cichlids
Reptiles:	Crocodiles • Alligators • Caiman • Gharial • Turtles • Sea turtles • Leatherback turtle • Marine iguana • Sea snakes
Birds:	Penguins • Sea gulls • Kittiwakes • Albatrosses • Sea ducks • Cormorants • Sea eagle • Guillemots • Puffins • Auks • Terns • Gannets • Osprey • Razorbill • Oystercatchers
Mammals:	Monotremes • Marsupials • Cetaceans • Whales • Dolphins • Porpoises • Pinnipeds • Walruses • True seals • Fur seals • Sea Lions • Sirenians • Manatees • Dugongs • Polar bear • Sea otter • Marine otter • Blubber

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v t e Marine ecosystems
Marine	f-ratio Iron fertilization Iron Hypothesis Large marine ecosystem Marine biology Marine ecosystem Marine snow Ocean chemistry Ocean fertilization Ocean turbidity Oceanic physical-biological process Photophore Thorson's rule Upwelling Whale fall more ...
Marine life forms	Census of Marine Life Coastal fish Coral reef fish Deep sea communities Deep sea creature Deep sea fish Deep-water coral Demersal fish Marine bacteriophage Marine invertebrates Marine larval ecology Marine mammal Marine reptile Marine vertebrate Paradox of the plankton Pelagic fish Seabird Seashore wildlife Wild fisheries
Marine habitats	Bay mud Black smokers Coastal biogeomorphology Cold seeps Coral reefs Davidson Seamount Estuaries Hydrothermal vents Intertidal ecology Intertidal wetlands Kelp forests Lagoons Mangroves Marine biomes Marine habitats Mudflats Rocky shores Salt marshes Seagrass meadows Sponge reefs Tide pools
Issues	Ecological values of mangrove Fisheries and climate change HERMIONE Marine conservation Marine conservation activism Marine pollution Marine protected area