discordipinnis, Sicyopus Watson [R. E.] 1995:273, Fig. 1 [Ichthyological Exploration of Freshwaters v. 6 (no. 3); ref. 21888] Letak Creek, 25 kilometers southeast of Wewak, Papua New Guinea. Holotype: WAM P.27834-004. Paratypes: NMBA 5075 (1); WAM P.27834-005 (2), 28167-001 (6). Type catalog: Moore et al. 2008:45 [ref. 30117]. •Valid as Sicyopus discordipinnis Watson 1995 -- (Watson 1999:103 [ref. 24143], Watson & Allen 1999:114 [ref. 24140], Larson & Murdy 2001:3603 [ref. 26293], Watson & Kottelat 2006:121 [ref. 28766], Keith et al. 2011:2726 [ref. 31651], Kottelat 2013:429 [ref. 32989], Keith et al. 2014:174 [ref. 33540], Keith et al. 2015:144 [ref. 34328], Keith et al. 2019:166 [ref. 36794], Fricke et al. 2019:289 [ref. 36673], Amick & Toko 2021:7 [ref. 38599], Keith et al. 2021:152 [ref. 38257], Parenti 2021:423 [ref. 38603], Nurjirana et al. 2022:42 [ref. 39333]). Current status: Valid as Sicyopus discordipinnis Watson 1995. Oxudercidae: Sicydiinae. Distribution: Western Pacific: central Sulawesi (Indonesia), Papua (Indonesia), Papua New Guinea including New Hannover and Bougainville, northern Queensland (Australia) and Solomon Islands. Habitat: freshwater, brackish, marine.