seamless pattern with starfish and corals in pencil. on an underwater theme for the of cafes and

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 aquarium fauna poster lively menu packaging motion shading nature floral botanical seafood ecosystem nautical tropical reef aquaculture water painting blackandwhite pattern seamless white