Green blood may refer to: Green Blood (manga), a Japanese manga series by Masasumi Kakizaki Hemocyanin, a copper-based system of transporting oxygen in blood found in many molluscs and arthropods Sulfhemoglobinemia, a rare condition in humans caused by excess sulfhemoglobin in the blood Prasinohaema (Greek: "green blood"), a genus of skinks whose blood color is caused by an excess of the bile pigment biliverdin Prasinohaema virens, also known as the green-blooded skink, native to New Guinea
See also Red blood (disambiguation)