rule 34 2018 amphibian anthro anthro only aquatic arm fins armpits bara barely visible genitalia barely visible penis biceps big biceps big pecs blue markings blue scales closed eyes closed mouth digital drawing artwork digital media artwork diphallism facing viewer fan character fin fish fizzlesticks flesh whiskers front view gills grey markings grey scales half length portrait hands behind head head tentacles huge muscles huge pecs indoors inside male only manly marine nude nude male obliques penis base purple penis relaxed relaxing scalie scalie only serratus serratus anterior shiny shiny scales shower showering simple background solo steam tentacle thebigblackcod water wet wet body white background yordle 4944594