birdsong, Stiphodon Watson [R. E.] 1996:118, Figs. 11-13 [Revue française d'Aquariologie Herpétologie v. 23 (no. 3/4); ref. 22688] Letak Creek, 25 kilometers southeast of Wewak, Papua New Guinea, elevation 350 meters. Holotype: WAM P.27834-007. Paratypes: CMK 11382 (1); WAM P.31058-001 (3), P.31059-002 (5). Type catalog: Moore et al. 2008:46 [ref. 30117]. •Valid as Stiphodon birdsong Watson 1996 -- (Watson et al. 1998:295 [ref. 23658], Watson 1999:89 [ref. 23674], Watson & Allen 1999:114 [ref. 24140], Larson & Murdy 2001:3603 [ref. 26293], Watson et al. 2005:340 [ref. 28468], Keith et al. 2007:37 [ref. 29211], Keith & Marquet 2007:49 [ref. 29176], Keith et al. 2009:473 [ref. 30474], Kottelat 2013:430 [ref. 32989], Keith & Hadiaty 2015:268 [ref. 33653], Parenti 2021:426 [ref. 38603]). •Synonym of Stiphodon surrufus Watson & Kottelat 1995 -- (Keith et al. 2015:238 [ref. 34328]). Current status: Synonym of Stiphodon surrufus Watson & Kottelat 1995. Oxudercidae: Sicydiinae. Distribution: Western Pacific: Indonesia and Papua New Guinea (if valid). Habitat: freshwater, brackish, marine.