Ключевые слова: animal, arthropod, barnacle, barnacles, beachcomber, beachcombing, cirripedia, coast, coastal, creature, crustacea, crustacean, decay, decaying, defence, encrustation, encrusted, encruster, erosion, find, infestation, life, marine, ocean, old, post, problem, rust, rusty metal beach groyne, sea, shore, shoreline, wildlife,