pair of grapsus albolineatus crabs crawling on top of mossy rocks on the beach overhead view

aquatic beach beautiful black claws coastal colorful common crab crawl creature creatures crustacea crustacean ecosystem environment exotic food grapsus island lava legs lightfoot marine meat moss nature ocean orange red rock sally sallylightfoot saltwater sea seafood seashore seaweed shell shellfish shore species surface tropical vibrant wallpaper wildlife