Snail on woman hand in water. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285803/free-photo-image-hand-swimming-faceFree Image from public domain licenseAquarium with three North Sea fish: Lobster, Dogfish and Plaice (ca.1876–1924) painting in high resolution by Gerrit… https://www.rawpixel.com/image/3077145/free-illustration-image-painting-fish-seaFree Image from public domain licenseBelua whale in an aquarium. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/3093659/free-photo-image-whale-animal-america-animalsFree Image from public domain licenseThe princess and a butterfly underneath a fly agaric, sketch for the painitng farity tale princess, (1895-1896) painted by… https://www.rawpixel.com/image/10103507/image-butterfly-plant-personFree Image from public domain licenseA cat dressed as a woman tapping the head of an octopus (1798–1861), vintage Japanese illustration by Utagawa… https://www.rawpixel.com/image/12230639/image-art-vintage-japaneseFree Image from public domain licenseU.S. Ambassador in Antarctica 2010 - Day 3From U.S. Ambassador Huebner's Blog: https://www.rawpixel.com/image/8734125/photo-image-public-domain-bird-iceFree Image from public domain licenseGeorgia Aquarium, Atlanta, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282195/free-photo-image-human-marine-life-seaFree Image from public domain licenseThe Sun is Passing the Sign of Pisces (1906), vintage illustration by Mikalojus Konstantinas Čiurlionis. Original public… https://www.rawpixel.com/image/11066637/image-background-art-patternFree Image from public domain licenseFor displaying jellyfish, The Monterey Bay Aquarium uses a Kreisel tank, which creates a circular flow to support and… https://www.rawpixel.com/image/422003/jellyfish-tankFree Image from public domain licenseGreenland: above, indigenous fish including seals; centre, three different whales; below, whale fisher in their attire.… https://www.rawpixel.com/image/13952510/image-cartoon-person-artFree Image from public domain licenseJellyfish. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282393/free-photo-image-jellyfish-public-domain-sea-oceanFree Image from public domain licenseTaveuni Island. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286876/free-photo-image-whale-sea-public-domain-fishFree Image from public domain licenseBlack and white shot of shark swimming underwater with bubbles. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286767/free-photo-image-sea-animal-cc0Free Image from public domain licenseButterfly wing nature macro insects bicolor. Free public domain CC0 photo https://www.rawpixel.com/image/6039969/photo-image-public-domain-nature-butterflyFree Image from public domain licenseTwo dolphins surfacing, light reflecting sea. Original public domain image from Flickr https://www.rawpixel.com/image/5803723/photo-image-background-public-domain-oceanFree Image from public domain licenseThe King Penguin is very large compared to other species. It is the second largest of them all. Full grown, they can be up… https://www.rawpixel.com/image/4021278/photo-image-background-bird-natureFree Image from public domain licenseSalmon attempting to jump waterfall. Original public domain image from Flickr https://www.rawpixel.com/image/4031136/photo-image-background-food-waterFree Image from public domain licenseKintarō Seizes the Carp (1885) by Tsukioka Yoshitoshi. Original public domain image from the Art Institute of Chicago. … https://www.rawpixel.com/image/7661039/image-art-vintage-public-domainFree Image from public domain licenseUnidentified Fish (1737–1770), vintage animal illustration by Luigi Balugani. Original public domain image from Yale… https://www.rawpixel.com/image/12230290/image-art-vintage-illustrationFree Image from public domain licenseView in the sea of Sipadan Island, Malaysia. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3343096/free-photo-image-underwater-marine-life-seaFree Image from public domain licenseUnderwater shot of sharks swimming at Oslob Whale Shark Watching. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285875/free-photo-image-underwater-fish-whaleFree Image from public domain licenseGreetings from Stuart, Florida, sailfish center of the world (1930–1945) chromolithograph art. Original public domain… https://www.rawpixel.com/image/10184928/image-texture-arts-vintageFree Image from public domain licenseOne jellyfish in focus swimming amongst blurred jellyfish at L'Aquarium de Paris. Original public domain image from… https://www.rawpixel.com/image/3282826/free-photo-image-fish-sea-parisFree Image from public domain licenseHokusai's Carp Swimming by Water Weeds (1831), vintage Japanese fish illustration. Original public domain image from… https://www.rawpixel.com/image/12229711/image-art-vintage-japaneseFree Image from public domain licenseSix sea horses in the sea. Colour line block after a painting by H. Murayama. https://www.rawpixel.com/image/13967419/six-sea-horses-the-sea-colour-line-block-after-painting-murayamaFree Image from public domain licenseA variety of phosporescent animals under and above water. Colour line block after Dr. Etzold. https://www.rawpixel.com/image/13952492/image-honey-bee-cartoon-personFree Image from public domain licenseWhite sand beach in focus in Marseille. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286278/free-photo-image-beach-sand-blueFree Image from public domain licenseHumpback whale underwater, Marine mammal. Original public domain image from Flickr https://www.rawpixel.com/image/8752666/photo-image-public-domain-ocean-seaFree Image from public domain licenseBigeye fishes at Rapture Reef Rapture Reef at Northwestern Hawaiian Islands. Original public domain image from Flickr https://www.rawpixel.com/image/4039459/photo-image-background-ocean-blueFree Image from public domain licenseAn endangered green sea turtle is released into the Mosquito Lagoon. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441040/green-sea-turtleFree Image from public domain licenseA woman abalone diver wrestling with an octopus. Colour woodcut by Yoshitoshi, 1870s. https://www.rawpixel.com/image/13963588/image-dragon-cartoon-personFree Image from public domain licenseYellowtail and Rockfish (1835-1839), Japanese fish illustration by Utagawa Hiroshige. Original public domain image from The… https://www.rawpixel.com/image/9405350/image-art-vintage-illustration-animalFree Image from public domain licenseLobster and Abalone (1880) by Tsukioka Yoshitoshi. Original public domain image from The Minneapolis Institute of Art. … https://www.rawpixel.com/image/7642423/image-art-vintage-public-domainFree Image from public domain licenseThree balloons travel over a polar landscape: proposed method of reaching the North Pole by J.P. Cheyne. Coloured wood… https://www.rawpixel.com/image/13970673/image-dog-cartoon-personFree Image from public domain licenseCarp Ascending a Waterfall (1830) by Keisai Eisen. Original public domain image from The Cleveland Museum of Art. … https://www.rawpixel.com/image/7661309/image-art-vintage-public-domainFree Image from public domain licenseAquarium Berlin, Berlin, Germany. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286190/free-photo-image-underwater-sea-backgroundFree Image from public domain licenseRed Carp Ascending a Waterfall (1820) by Yashima Gakutei. Original public domain image from The MET Museum. Digitally… https://www.rawpixel.com/image/7660582/image-art-vintage-public-domainFree Image from public domain licenseTwo women at a wash-basin; to the right is a man with the attributes of an initiate of Dionysus. Gouache painting by S.W.… https://www.rawpixel.com/image/13951185/image-cartoon-face-personFree Image from public domain licenseUnderwater shot of stringway with sunlight casting shadow on sandy ocean floor. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3286080/free-photo-image-ocean-fish-fishesFree Image from public domain licenseA polar bear standing next to its prey, a dead seal, on an ice floe in the Arctic sea. Colour lithograph after W. Kuhnert. https://www.rawpixel.com/image/13952146/image-sea-animal-public-domainFree Image from public domain licenseSeal in Antarctica. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3305499/free-photo-image-seal-sea-turtle-antarcticaFree Image from public domain licenseCoral Reef at Dry Tortugas National Park. Original public domain image from Flickr https://www.rawpixel.com/image/4026644/photo-image-ocean-nature-seaFree Image from public domain licenseThe edible frog with tadpole, tree frog with tadpole and horned frog. Coloured engraving by J. W. Lowry after C. Bone. https://www.rawpixel.com/image/13967345/image-cartoon-tree-animalFree Image from public domain licenseKid with goggles holding up starfish from ocean, location unknown, 24 March 2017. View public domain image source here https://www.rawpixel.com/image/6111373/photo-image-face-public-domain-oceanFree Image from public domain licenseFour-eyed fish and butterly fish swimming in the sea above a coral reef. Colour line block after a painting by H. Murayama. https://www.rawpixel.com/image/13951909/image-cartoon-sea-animalFree Image from public domain licenseSea turtle with eggs (1683ñ1749) print in high resolution by Mark Catesby. Original from Biodiversity Heritage… https://www.rawpixel.com/image/9851528/image-art-vintage-illustrationsFree Image from public domain licenseSwimming sea turtle in O‘ahu, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282868/free-photo-image-sea-turtle-animalFree Image from public domain licenseLeConte Seal. Tongass National Forest, Alaska. Original public domain image from Flickr https://www.rawpixel.com/image/3388306/free-photo-image-forest-nature-alaskaFree Image from public domain license