steenackeri, Opsariichthys Sauvage [H.-E.] 1883:148 [5] [Bulletin de la Société philomathique de Paris (7th Série) v. 7; ref. 3896] Lake Biwa, Japan. Holotype (unique): MNHN A-6491. Type catalog: Bertin & Estève 1948:82 [ref. 19574]. On p. 5 of separate. •Valid as Ischikauia steenackeri (Sauvage 1883) -- (Kuroda 1953:276 [ref. 39545] as Ischikawia steenackeri, Okada 1961:518 [ref. 6363], Sawada in Masuda et al. 1984:57 [ref. 6441], Kawanabe & Mizuno 1989:286 [ref. 25598], Watanabe 1998:262 [ref. 23491] as steenakeri, Nakabo 2000:261 [ref. 25086], Matsuura et al. 2000:94 [ref. 26000], Nakabo 2002:261 [ref. 26001], Takeuchi & Hosoya 2011:10 [ref. 31144]). Current status: Valid as Ischikauia steenackeri (Sauvage 1883). Xenocyprididae. Distribution: East Asia: Japan. Habitat: freshwater.