delicata, Cobitis Niwa [H.] 1937:72, Figs. 1-2 [Dobutsugaku Zasshi = Zoological Magazine Tokyo v. 49 (no. 2); ref. 15293] Agi River, branch stream of Kiso River, central Japan. Holotype: not researched. Paratypes: whereabouts unknown. •Valid as Niwaella delicata (Niwa 1937) -- (Okada 1961:564 [ref. 6363], Sawada in Masuda et al. 1984:58 [ref. 6441], Kawanabe & Mizuno 1989:395 [ref. 25598], Kim & Lee 1995:289 [ref. 22178], Watanabe 1998:263 [ref. 23491], Shimizu et al. 1998:381 [ref. 23635], Nakabo 2000:273 [ref. 25086], Matsuura et al. 2000:177 [ref. 26000], Son & He 2001:4 [ref. 25331], Nakabo 2002:273 [ref. 26001], Chen & Chen 2005:1645 [ref. 28174], Kottelat 2012:37 [ref. 32367]). •Valid as Cobitis delicata Niwa 1937 -- (Perdices et al. 2016:7 [ref. 34266]). Current status: Valid as Cobitis delicata Niwa 1937. Cobitidae. Distribution: Japan. Habitat: freshwater.