zentangle stylized aquarium

abstract adult alga anemone angry animal anti antistress aquarium aquatic art black book carnivore cartoon cephalopod coloring coral creature cuttlefish dangerous deep detailed devilfish diving doodle evil exotic fin fish frighten giant horror hunt illustration invertebrate life line marine mollusk monster nature nautical ocean octopus ornament outline page plants poulpe predator reef relax scary sea seafood seaweed shoal shock silhouette spineless squid stress stylized swim tangle tentacle totem tribal tropical undersea underwater vector water wavy white wild wildlife zen zentangle