tanago, Rhodeus Tanaka [S.] 1909:10 [Journal of the College of Science. Imperial University, Tokyo v. 27 (art. 8); ref. 4322] Pond in Botanical Garden of Imperial University, Tokyo, Japan. Holotype: ZUMT 1710 (lost). Paratypes: ZUMT 2156 (1, lost). Type catalog: Aizawa et al. 2022:237 [ref. 39655]. •In genus Tanakia -- (Arai & Akai 1988:205 [ref. 6999]). •Valid as Tanakia tanago (Tanaka 1909) -- (Okada 1961:399 [ref. 6363], Sawada in Masuda et al. 1984:55 [ref. 6441], Kawanabe & Mizuno 1989:358 [ref. 25598], Watanabe 1998:262 [ref. 23491], Nakabo 2000:255 [ref. 25086], Matsuura et al. 2000:135 [ref. 26000], Nakabo 2002:255 [ref. 26001], Chang et al. 2009:824 [ref. 31127]). •Valid as Pseudorhodeus tanago (Tanaka 1909) -- (Chang et al. 2014:190 [ref. 33502], Li et al. 2017:84 [ref. 35680]). Current status: Valid as Pseudorhodeus tanago (Tanaka 1909). Acheilognathidae. Distribution: Japan. Habitat: freshwater.