imperiorientis, Stiphodon Watson [R. E.] & Chen [I-S.] 1998:60, Figs. 2-4 [aqua, Journal of Ichthyology and Aquatic Biology v. 3 (no. 2); ref. 23584] Nakama River, Iriomote Island, Yaeyama-gun, Okinawa Prefecture, Ryukyu Islands, Japan. Holotype: NSMT P.48063. Paratypes: BLIH 1981202 (1), 1986400 (1), 1995002 (1), 1995028 (1); URM P3205-06 (1, 1), P4823-25 (1, 1, 1). •Valid as Stiphodon imperiorientis Watson & Chen 1998 -- (Nakabo 2000:1160 [ref. 25182], Yonezawa & Iwata 2001:2 [ref. 25609], Sakai et al. 2001:119 [ref. 25693], Nakabo 2002:1160 [ref. 26193], Chen & Tan 2005:241 [ref. 28539], Maeda et al. 2012:286 [ref. 31973], Maeda et al. 2012:320 [ref. 32002], Maeda & Tan 2013:760 [ref. 32886], Maeda & Saeki 2013:215 [ref. 33022], Maeda 2013:(7) [ref. 33023], Maeda & Palla 2015:393 [ref. 33960], Maeda et al. 2015:256 [ref. 33999], Keith et al. 2015:196 [ref. 34328]). Current status: Valid as Stiphodon imperiorientis Watson & Chen 1998. Gobiidae: Sicydiinae. Distribution: Ryukyu Islands (Japan), Taiwan and China [supposedly amphidromous]. Habitat: freshwater, brackish, marine.