niger, Apistus Cuvier [G.] in Cuvier & Valenciennes 1829:415 [Histoire naturelle des poissons v. 4; ref. 998] Arian Coupang River mouth, Puducherry, India. Syntypes: MNHN 0000-6638 (2). Type catalog: Blanc & Hureau 1968:6-7 [ref. 20738]. •Valid as Tetraroge nigra (Cuvier 1829) -- (Shimizu in Masuda et al. 1984:317 [ref. 6441], Kawanabe & Mizuno 1989:652 [ref. 25598], Kottelat et al. 1993:102 [ref. 23448], Poss 1999:2350 [ref. 24796], Nakabo 2000:599 [ref. 25086], Poss in Randall & Lim 2000:606 [ref. 25122], Sakai et al. 2001:92 [ref. 25693], Nakabo 2002:599 [ref. 26001], Kottelat 2013:315 [ref. 32989], Fricke et al. 2014:55 [ref. 33932], Miesen et al. 2016:88 [ref. 34492], Suresh et al. 2018:174 [ref. 36495], Habib & Islam 2020:Supplementary table p. 29 [ref. 38321] as niger, Sato et al. 2020:[2] [ref. 37744], Keith et al. 2021:168 [ref. 38257], Poss 2022:557 [ref. 39726] as niger, Jamandre 2023:173 [ref. 40455], Moazzam & Osmany 2023:311 [ref. 40698] as niger). Current status: Valid as Tetraroge nigra (Cuvier 1829). Synanceiidae: Tetraroginae. Distribution: Indo-West Pacific: southwest coast of India, Sri Lanka and Bangladesh east to Philippines and New Guinea, north to southern Japan. Habitat: freshwater, brackish, marine.