Spatial and interspecific variation in the food sources of sympatric estuarine nereidid polychaetes: stable isotopic and enzymatic approaches. - Kanaya, Gen; Niiyama, Takatoshi; Tanimura, Aya; Kimura, Taeko; Toyohara, Haruhiko; Tosuji, Hiroaki; Sato, Masanori (Marine Biology, 2018)