Pollack from The Natural History of British Fishes (1802) by Edward Donovan. Original from the New York Public Library.… https://www.rawpixel.com/image/431263/free-illustration-image-fish-white-public-domain-iridescentFree Image from public domain licenseRiver Bull-head from The Natural History of British Fishes (1802) by Edward Donovan. Original from the New York Public… https://www.rawpixel.com/image/431241/free-illustration-image-freshwater-fish-marine-lifeFree Image from public domain license