Preview Adult Sperm Whale (Physeter macrocephalus) dorsal fin detail note: crenulated edge. Upper Gulf of California (Sea of Cortez), Mexico. Image ID: 979-360 Artist: Michael Nolan Purchase a commercial license Buy framed prints & more from our print store marine mammals cetaceans adult adult sperm whale physeter macrocephalus dorsal fin fins terminal dive gulf of california sea of cortez mexico toothed tooth one animal lone