abstract angles appearance background boards bollards cool dark darkened decking environment environmental gray grey hand-rails Jetty light lined lines marine-bollards old pier posts railing ripples rippling river riverside rough shade shadows shady sunlight sunshine support surface surfaces texture textured textures vibrant view wall water water's-edge weathered wood wooden worn brisling bristling calcium can canned clupeidae edible European-sprats fatty-acids fish food golden health healthy heart-healthy herring-family herring-like marine-fish nonperishable nutrient-rich nutrients nutritious oil oily-fish omega-3 packed polyunsaturated portable potential self-contained-food skipper small smoked sprats sprattus-sprattus tightly-packed tin tinned tins vitamins angled blended blue color coloration colored colors colour coloured colours contrast contrasting dark-blue deep deep-water glassy interconnected interlinked intertwined jellyfish liquid liquidy marine-life patterned patterns perspectives sea-creatures shape shaped shapes surfacing under-water variations variety wallpaper alive animal aquarium aquatic arms biology brown bumps coast coastal coastline conservation coral creature echinoderms endoskeletons five five-arms life marine nature ocean outer-shell pitted pool rock rockpool sand save sea seashore seastar star starfish tide tidepool tube-feet underwater wild wildlife curved curves design details interwoven style symmetrical symmetry thick thin transparent AEWA anticipate Ardea modesta Ardeidae beak beautiful beauty bird birding birds cuk cuk cuk Eastern Great Egret egret eye feather female forage garden great green Heron India krayker kōtuku leaf migratory nest nesting outdoor peace plant preen quiet rest spring stand summer tail wader wetland white wing