exallisquamulus, Sicyopus Watson [R. E.] & Kottelat [M.] 2006:125, Figs. 4-6 [Ichthyological Exploration of Freshwaters v. 17 (no. 2); ref. 28766] Sungei Okitai, about 10 kilometers upstream from coast, just below waterfalls, Halmahera, Maluku, Indonesia. Holotype: MZB 5918. Paratypes: CMK 11294 (4), 11349 (2), 11378 (2); MZB 5926 (1). •Valid as Sicyopus exallisquamulus Watson & Kottelat 2006 -- (Keith et al. 2011:2726 [ref. 31651], Kottelat 2013:429 [ref. 32989], Parenti 2021:423 [ref. 38603]). •Synonym of Sicyopus auxilimentus Watson & Kottelat 1994 -- (Keith et al. 2015:140 [ref. 34328]). Current status: Synonym of Sicyopus auxilimentus Watson & Kottelat 1994. Oxudercidae: Sicydiinae. Habitat: freshwater, brackish, marine.