coastal mussels mytilus galloprovincialis, mollusks in the air during a strong ebb tide in the black sea, ukraine

air exposure aquatic life barnacles biodiversity bivalve black sea closeup coast coastal mussels coastline death desiccation ecosystem galloprovincialis hydrodynamics intertidal zone invertebrates live nature marine ecology organisms species mediterranean mollusc mollusca mollusk mollusks mussel bed shell mytilidae mytilus rock seascape seashore shellfish shore mortality water level