Adult fin whale (Balaenoptera physalus) surfacing in the calm waters off Isla San Esteban in the midriff region of the Gulf of California (Sea of Cortez), Baja California, Mexico

adult whale whales fin whale balaenoptera physalus surfacing surface tranquil contentment relax relaxing calm waters isla san esteban midriff region gulf of california sea of cortez baja california mexico one animal only solitary fin fins swimming swim sealife sea life