2018 abs ambiguous_gender animal_genitalia animal_penis anthro bed black_background cetacean close-up countershade_torso countershading crotch_shot cyan_countershading cyan_penis cyan_skin diphallism dolphin dragon faceless_male fin fish front_view genital_slit gradient_background green_skin hemipenes hybrid idoodle2draw male mammal marine markings multi_penis multicolored_skin muscular muscular_male nude penis penis_tip precum presenting presenting_slit scalie shark signature simple_background sitting slit slitfluid solo solo_focus spread_legs spreading vasciel_aplisto white_skin