parvulus, Expedio Snyder [J. O.] 1909:606 [Proceedings of the United States National Museum v. 36 (no. 1688); ref. 4151] Misaki, Japan. Holotype: USNM 62954. Paratypes: (4) CAS-SU 21138 (3). Type catalog: Koumans 1940:128 [ref. 2676], Böhlke 1953:112 [ref. 12291]. Types: Shinohara & Williams 2006:563 [ref. 31656] as Exopedio. •Synonym of Luciogobius guttatus Gill 1859 -- (Berg 1949:1124 [ref. 20662]). •Valid as Expedio parvulus Snyder 1909 -- (Lindberg & Krasyukova 1975:406 [ref. 7348]). •Valid as Luciogobius parvulus (Snyder 1909) -- (Akihito in Masuda et al. 1984:283 [ref. 6441], Nakabo 2000:1164 [ref. 25182], Okiyama 2001:147 [ref. 25683], Nakabo 2002:1164 [ref. 26193], Chen et al. 2008:253 [ref. 30075], Kanagawa et al. 2011:67 [ref. 31329], Ito & Okamura 2021:1 [ref. 38638], Kim et al. 2021:191 [ref. 38854], Koreeda & Motomura 2021:45 [ref. 38646], Parenti 2021:292 [ref. 38603], Yamasaki et al. 2021:16 [ref. 38514], Saito 2023:17 [ref. 40944]). Current status: Valid as Luciogobius parvulus (Snyder 1909). Oxudercidae: Gobionellinae. Distribution: Northwestern Pacific: Japan and southern Korea. Habitat: marine.