watercolor image of cartoon purple cuttlefish on white backdrop. hand drawn of cute devilfish with thick tentacles

animal aquatic atlantic background blue calamari camouflage cartoon cephalopod creature cute cuttle cuttlefish devilfish drawn fish fishing fresh funny hand ink isolated mantle marine monster nature ocean octopus predator purple sea seafood sepia sepiidae sketch squid swimming tentacle tentacles tropical undersea underwater water watercolor watercolour white wild wildlife zebrastriped zoology