FURVERT!

2009 anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anus aquatic caustics cetacean cetacean_genitalia cetacean_penis digital_media_(artwork)dolphin dorsal_fin erection feral fin genital_slit genitals male mammal oceanic_dolphin penis prehensile_penis shaded signature solo swimming tapering_penis toothed_whale underwater upside_down wairu water