cartoon black octopus with curved arms and suction cups on it, feeding tentacle. spineless squid or underwater

animal aquarium aquatic biology black camouflage cartoon cephalopod character cups cuttlefish decoration design drawing emblem flexible graphic icon illustration invertebrate life limb logo marine mascot mollusk monster nature nautical ocean octopoda octopus predator scary sea seafood spineless spiral squid suction swimming swirl tattoo tentacle underwater vector water wild zoology