These lizards bleed green
Blood chemistry unknown in mammals or other reptiles still needs a good explanation
NO DENTIST NEEDED Green blood gives the mouth tissue and tongue its unusual but perfectly healthy color in Prasinohaema lizards (female P. prehensicauda shown). Some fish and insects have greenish blood but no known mammals or other reptiles do.
Christopher C. Austin/LSU
“Dark lime green” is how biologist Zachary Rodriguez describes the blood of the Prasinohaema lizards of New Guinea and surrounding islands.