FURVERT!

animal_genitalia aquatic black_eyes canid canine canis collar domestic_dog fish fully_sheathed genitals goblin_shark grey_background grey_body grey_theme greyscale hybrid long_tongue low_res mackerel_shark male mammal mitsukurinid monochrome open_mouth shark sharp_teeth sheath simple_background sitting solo spiked_collar spikes tail teeth tongue unknown_artist what_has_science_done