251 Plecoglossus altivelis (Temminck & Schlegel, 1846) Plecoglossidae Ayu fish Osmeriformes Teleostei Ayu sweetfish Northwest Pacific: western Hokkaido in Japan southward to the Korean Peninsula, Taiwan and China. UBC 570420 33 N 130 E Plecoglossus altivelis UBC 590577 35 N 136 E Plecoglossus altivelis UBC 590653 34 N 134 E Plecoglossus altivelis UBC 590660 35 N 139 E Plecoglossus altivelis AMNH 35836 1926 Plecoglossus altivelis AMNH 27475 1929 Plecoglossus altivelis AMNH 27476 1929 Plecoglossus altivelis AMNH 33544 1967 Plecoglossus altivelis