Rule 34 Dev - ambiguous_gender antennae_(anatomy) collar duo eyestalks feral gastropod_shell grey_background hole_(anatomy) looking_at_another lying mantle mollusk_shell on_back presenting quadruped shell simple_background star_rifle rex_(star_rifle) amphibian frog gastropod mollusk snail 2022 4:3 greyscale hi_res monochrome|23097064550