Koi (1842) Japanese fish illustration by Keisai Eisen. Original public domain image from The MET Museum. Digitally… https://www.rawpixel.com/image/7642899/image-art-vintage-public-domainFree Image from public domain licenseFall Hiking. Fall at Devil's Lake State Park in Wisconsin. Original public domain image from Flickr https://www.rawpixel.com/image/4025597/photo-image-tree-plant-leafFree Image from public domain licenseUtagawa Hiroshige's Suidobashi Bridge and Surugadai (1857). Original public domain image from Library of Congress. … https://www.rawpixel.com/image/7661159/image-art-vintage-public-domainFree Image from public domain licenseThe tale of a whale splashing above the blue ocean in Maui. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286014/free-photo-image-whale-ocean-animalFree Image from public domain licenseCarp Leaping Out of Water (right of a pair of Carps) (1777) by Tsukioka Settei. Original public domain image from the… https://www.rawpixel.com/image/7660552/image-art-vintage-public-domainFree Image from public domain licenseThe natural history of Carolina, Florida and the Bahama Islands: containing the figures of birds, beasts, fishes, serpents… https://www.rawpixel.com/image/13970458/image-honey-bee-butterfly-plantFree Image from public domain licenseAutumn Eagle. Shiawassee National Wildlife Refuge 2013 Photo Contest. Original public domain image from Flickr https://www.rawpixel.com/image/4025513/photo-image-tree-leaf-woodsFree Image from public domain licenseMultiple scaly fish swimming underwater in clear blue water. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282783/free-photo-image-fish-ocean-backgroundFree Image from public domain licenseKoi fish is domesticated version of common carp. This fish is most famous by its beautiful colors that have been created via… https://www.rawpixel.com/image/4021280/photo-image-background-nature-waterFree 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 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 licenseMonarch purple coneflower. A monarch butterfly on purple coneflower in Malan Waterfowl Production Area in Michigan. Original… https://www.rawpixel.com/image/4025595/photo-image-flower-plant-floralFree Image from public domain licenseThe natural history of Carolina, Florida and the Bahama Islands: containing the figures of birds, beasts, fishes, serpents… https://www.rawpixel.com/image/13952499/image-plants-trees-patternFree Image from public domain licenseStudy for "The Mermaid Window," A.H. Barney Residence, New York, NY (1882) by Elihu Vedder. Original public domain image… https://www.rawpixel.com/image/10103382/image-face-plant-artFree 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 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 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 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 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 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 licenseA sperm whale attacks a giant squid. Colour line block after A. Twidle. https://www.rawpixel.com/image/13969015/sperm-whale-attacks-giant-squid-colour-line-block-after-twidleFree 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 licenseBig Fish Supper Club, Bena, Minnesota (1980) photography in high resolution by John Margolies. Original from the Library of… https://www.rawpixel.com/image/3801588/photo-image-blue-vintage-retroFree 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 licenseA Somali boy jumps between to old fishing boats above Mogadishu's fishing harbour near the fish market in the Somali… https://www.rawpixel.com/image/3373157/free-photo-image-somali-building-africaFree 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 licenseFull moon from the banks of the Missouri River. Original public domain image from Flickr https://www.rawpixel.com/image/4025511/photo-image-cloud-moon-blackFree 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 licenseCooked food in a frying pan. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282277/free-photo-image-dinner-food-fish-seafoodFree 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 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 licenseFreshly caught tuna fish are lined up for sale inside Mogadishu's fish market in the Somali. Original public domain image… https://www.rawpixel.com/image/3372698/free-photo-image-tuna-animal-marketFree Image from public domain licenseThe natural history of Carolina, Florida and the Bahama Islands: containing the figures of birds, beasts, fishes, serpents… https://www.rawpixel.com/image/13951863/image-plant-trees-artFree 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 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 licenseBald eagle on a winter day at Ottawa National Wildlife Refuge. Original public domain image from Flickr https://www.rawpixel.com/image/4025472/photo-image-tree-botanical-birdFree 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 licenseMistletoe tree. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285975/free-photo-image-forest-background-berry-christmas-treeFree Image from public domain licenseDaughter of a Cajun Family Returning Home after Fishing in Cane River, Melrose, Louisiana by Marion Post Wolcott https://www.rawpixel.com/image/14262979/photo-image-face-hand-personFree Image from public domain licenseGroup of penguins swimming underwater with bubbles having fun, Aquarium of the Pacific. Original public domain image from… https://www.rawpixel.com/image/3305371/free-photo-image-nature-america-animals-fishFree 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 licenseStudy for "The Mermaid Window," A.H. Barney Residence, New York, NY (1882) by Elihu Vedder. Original public domain image… https://www.rawpixel.com/image/10103472/image-face-plant-artFree 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 licenseAmerican Bald Eagle in East Lansing Michigan. We spotted this American bald eagle near our office in East Lansing, Michigan.… https://www.rawpixel.com/image/4025548/photo-image-bird-nature-naturalFree Image from public domain licenseSinking Sun (1942) oil painting by Griffith Baily Coale. Original public domain image from Wikipedia. Digitally enhanced by… https://www.rawpixel.com/image/10546906/image-face-person-artFree 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 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 flying fish shown flying over water. Coloured lithograph by R. Bridgens. https://www.rawpixel.com/image/13969290/flying-fish-shown-flying-over-water-coloured-lithograph-bridgensFree 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 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 licenseFree fishing kingfisher birds image, public domain animal CC0 photo. https://www.rawpixel.com/image/5907294/photo-image-background-public-domain-natureFree 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 license