bivalve mollusks anadara kagoshimensis, black sea

anadara inaequivalvis kagoshimensis arc arca binakayanensis arcoida ballast bentos bivalve bivalves bivalvia black sea clam conch ecological ecology europe fauna filtration filtrators gastropod gastropods introduced invading invasion invasive invertebrate marine mollusc mollusca mollusk nonnative organisms scapharca cornea sessile shell shellfish undersea underwater footage shot underwaters water world wild wildlife