ninja, Schismatogobius Maeda [K.], Saeki [T.] & Satoh [N.] in Maeda, Saeki, Shinzato, Koyanagi & Satoh 2017:7, Figs. 7, 8, 9a,b, 10 [Ichthyological Research v. 65 (no.1); ref. 35500] Northern part of Okinawa Island, Ryukyu Archipelago, Japan. Holotype: NSMT-P 127395. Paratypes: NSMT, URB (as URM). Plus non-type material. •Valid as Schismatogobius ninja Maeda, Saeki & Satoh 2017. •Synonym of Schismatogobius saurii Keith, Lord, Hadiaty & Hubert 2017 -- (Keith et al. 2021:54 [ref. 38123]). Current status: Synonym of Schismatogobius saurii Keith, Lord, Hadiaty & Hubert 2017. Gobiidae: Gobionellinae. Habitat: freshwater.