Rule 34 Dev - amphibian anal anal_sex animated anthro anus ass axolotl balls big_balls big_butt big_dom_small_sub big_penis blue_body bubble_butt canid canine canis caption cutaway dialogue dominant duo femboy femboydom from_behind_position genitals hi_res horn hybrid loop lying male male/male male_only mammal marine mmhorrors mole_salamander on_front penetration penile penile_penetration penis penis_backwards pink_penis plap presenting presenting_anus puffy_anus raised_tail salamander sex shapeshifter size_difference small_penis smaller_penetrated sound_effects speech_bubble tail thick_thighs throbbing throbbing_balls throbbing_penis urethra watermark wide_hips wolf|12669626488