|Abundance||scarce (very unlikely)||Ref.||Sokolovskaya, T.G., A.S. Sokolovskii and E.I. Sobolevskii, 1998|
Type locality, ZMB 10644 (syntypes 8:2.43-3.14 cm SL) (Ref. 81467). Ranges from Hokkaido to Kyushu (except Shikoku) (Ref. 559) with materials examined from northern and central Honshu and southern Hokkaido (Ref. 81467). Also reported from Kawahara-oike Lake, Nagasaki (Ref. 32231), Lake Biwa (Ref. 78994), and in the Himi region from a habitat study conducted in Toyama Bay (Ref. 58909). Also Ref. 37812 (also as Gymnogobius laevis).
|States/Provinces||Gumma (native), Hiroshima (native), Hyogo (native), Miyazaki (native), Nara (native), Okayama (native), Osaka (native), Saitama (native), Tokushima (native), Wakayama (native)|