octopus or kraken drawn with contour lines on white background. marine animal or mollusc with tentacles, deep sea

animal aquarium aquatic cephalopod colored contour creature decor decoration decorative depth drawing drawn engraving etching fauna frightening graphic illustration inhabitant isolated kraken line marine mollusk monochrome monster mythological mythology ocean octopus outline realistic retro sea seabed seafood species style tentacle terrible underwater vector vintage water wild wildlife woodcut