blue mussel covered with barnacles, the netherlands

animalia animals aquatic arthropoda barnacle beach bivalve bivalvia black blue bluemussel brown cirripedia clam closeup coast coastal coastline commonmussel crustacea detail detailed dutch edible edulis estuary evening grains holland invertebrate july life lines marine maxillopoda mollusca mollusk mussel mytilidae mytiloida mytilus mytilusedulis netherlands ocean oceanside patterns pteriomorphia sand sea seashore seaside sessilia shells shore shoreline structures summer textures thoracica tidal tide white