cyanostigma, Acheilognathus Jordan [D. S.] & Fowler [H. W.] 1903:820, Fig. 2 [Proceedings of the United States National Museum v. 26 (no. 1334); ref. 2463] Lake Biwa at Matsubara, Omi, Japan. Holotype: CAS-SU 7724. Paratypes: CAS-SU 7143 (27). Additional material: CAS-SU 22563 (5). Type catalog: Böhlke 1953:29 [ref. 12291]. Holotype was bottled with two specimens thought to be paratypes after 1906 earthquake; these were removed and catalogued as SU 69111 and are probably not A. cyanostigma. •In genus Acheilognathus -- (Arai & Akai 1988:207 [ref. 6999]). •Valid as Acheilognathus cyanostigma Jordan & Fowler 1903 -- (Kuroda 1953:275 [ref. 39545], Okada 1961:394 [ref. 6363], Sawada in Masuda et al. 1984:55 [ref. 6441], Okamura & Machida 1987:103 [ref. 22279], Kawanabe & Mizuno 1989:372 [ref. 25598], Sato 1995:49 [ref. 25531], Watanabe 1998:262 [ref. 23491], Nakabo 2000:257 [ref. 25086], Matsuura et al. 2000:45 [ref. 26000], Nakabo 2002:257 [ref. 26001], Hagiwara 2003:35 [ref. 27188], Arai et al. 2007:24 [ref. 29106], Yang et al. 2010:336 [ref. 30786], Yang et al. 2011:163 [ref. 31154]). Current status: Valid as Acheilognathus cyanostigma Jordan & Fowler 1903. Acheilognathidae. Distribution: East Asia: western Japan. Habitat: freshwater.