seamless pattern with starfish, corals, jellyfish in pencil. on the underwater theme for the of

starfish corals bubbles shells sea fish scales seahorse stones pebbles algae gills pencil illustration aquatic ocean underwater wildlife biology graphic realistic detailed floating invertebrate monochrome science fauna poster lively menu packaging motion shading nature floral botanical seafood ecosystem nautical tropical reef aquaculture water painting blackandwhite pattern seamless white jellyfish