animal_genitaliaanimal_penisaquaticartist_nameballs_deepbodily_fluidscetaceancetacean_genitaliacetacean_peniscumcum_in_vaginacum_insidedolphinduoerectionfemalefemale_feralfemale_penetratedferalferal_on_feralferal_penetratedferal_penetratingferal_penetrating_feralgenital_fluidsgenitalsgrey_bodyherpydragoninternalinterspecieslarger_femalelarger_penetratedmalemale/femalemale_feralmale_penetratingmale_penetrating_femalemammalmarram_(herpydragon)oceanic_dolphinorcapenetrationpenisrumdolph_(rumden1986)sexsize_differencesmaller_maletapering_penistexttoothed_whaleunderwatervulvawaterwhite_body