Invasion

Invasion Description

1st Record? Orikasa, Iwate, (Yamadacho), Orikasa, Honshu/Japan/Yamada Bay, from shell of cultured oyster Crassostrea gigas (Thunberg, 1793), paratype of Polydora uncinata, Sato-Okoshi 1998)

Geographic Extent

Orikasa, Iwate, (Yamadacho), Orikasa, Honshu/Japan/Yamada Bay, from shell of cultured oyster Crassostrea gigas (Thunberg, 1793), paratype of Polydora uncinata, Sato-Okoshi 1998); Shironohana, Kochi Prefecture, Kyushu/Japan/Seto Inland Sea ( Sato-Okoshi 1998)