FURVERT!

anthro anus aquatic backsack balls big_butt blue_anus blue_hair butt fin fish genitals grin hair hi_res looking_at_viewer looking_back looking_back_at_viewer looking_through looking_through_legs male narrowed_eyes notched_fin nude presenting presenting_hindquarters rear_view shark sharkysocks sharp_teeth smile solo tail tail_fin teeth thick_tail