fuliag, Sicyopterus Herre [A. W. C. T.] 1927:309, Fig. 3 [Monographs, Bureau of Science Manila Monogr. 23; ref. 2104] Pinacanawan River, at Lamug, a barrio in the mountains east of Tuguegarao, Cagayan Province, Luzon Island, Philippines. Holotype: BSMP 10619 (destroyed, seen by Koumans). Paratypes: BSMP 26874-77 (6) destroyed, seen by Koumans. Type catalog: Koumans 1940:193 [ref. 2676]. •Synonym of Sicyopterus cynocephalus (Valenciennes 1837) -- (Kottelat 2013:427 [ref. 32989], Keith et al. 2015:86 [ref. 34328], Parenti 2021:417 [ref. 38603]). Current status: Synonym of Sicyopterus cynocephalus (Valenciennes 1837). Oxudercidae: Sicydiinae. Habitat: freshwater, brackish, marine.