Rule 34 Dev - 2_penises animal_genitalia animal_penis anthro arm_tattoo athletic beard circumcised circumcision_scar countershading detailed_background dorsal_fin erection facial_hair fin floating genital_scar genitals gills hemipenes looking_at_viewer male multi_genitalia multi_penis nipples nude pecs penis pubes scar smile smirk solo swimming tattoo underwater water bgn fish goblin_shark mackerel_shark marine mitsukurinid shark 2021 hi_res signature|15879006850