FURVERT!

1:1 all_fours anal anal_masturbation anal_penetration animal_genitalia anthro anus aquatic autopenetration bamia big_tail butt cetacean digital_media_(artwork)dolphin erection feet fin fish genitals gills green_eyes hindpaw hybrid intersex mammal masturbation meruka nude oceanic_dolphin paws penetration penile penile_autopenetration penile_masturbation penile_penetration penis penis_in_own_vagina penis_in_vagina plantigrade rear_view shark simple_background slit_penis solo source_request tail tail_fetish tail_genitals tail_masturbation tail_penis tail_play tapering_penis toes toothed_whale unusual_anatomy unusual_genitalia_placement unusual_penis_placement unusual_tail vaginal vaginal_penetration