rule 34 1male abs anthro balls dannon 5 diphallism dorsal fin erect nipples eyebrow piercing facial piercing fin fish genitals gills grin half erect hi res horizontal diphallism humanoid genitalia humanoid penis jewelry looking at viewer male male focus male only marine markshark monochrome multi genitalia multi penis muscular muscular anthro muscular male necklace nipples nude pecs penis piercing shark sharp teeth simple background smile solo solo male teeth veiny penis white background 4440815