subducens, Machaerium Richardson [J.] 1843:176, Pl. 6 [Annals and Magazine of Natural History (New Series) v. 12 (no. 76) (art. 23); ref. 3735] Port Essington, Northern Territory, Australia. Holotype (unique): BMNH 1843.6.15.45 (stuffed). •Valid as Congrogadus subducens (Richardson 1843) -- (Amaoka in Masuda et al. 1984:293 [ref. 6441], Winterbottom 1986:15 [ref. 5727], Allen & Swainston 1988:108 [ref. 25477], Randall et al. 1990:124 [ref. 15987], Kottelat et al. 1993:107 [ref. 23448], Allen 1997:174 [ref. 23977], Larson & Williams 1997:355 [ref. 23967], Randall et al. 1997:124 [ref. 25919], Gill 1999:2569 [ref. 24817], Gill et al. 2000:77 [ref. 25035], Nakabo 2000:737 [ref. 25086], Gill in Randall & Lim 2000:611 [ref. 25122], Hutchins 2001:30 [ref. 25847], Nakabo 2002:737 [ref. 26001], Allen & Adrim 2003:33 [ref. 26830], Hoese & Gill 2006:1060 [ref. 29083], Allen & Erdmann 2012:318 [ref. 31980], Larson et al. 2013:105 [ref. 32988], Kottelat 2013:328 [ref. 32989], Nakae in Kimura et al. 2018:106 [ref. 36460], Gloerfelt-Tarp & Kailola 2022:147 [ref. 41223], Allen & Erdmann 2024:338 [ref. 40796]). Current status: Valid as Congrogadus subducens (Richardson 1843). Pseudochromidae: Congrogadinae. Distribution: Eastern Indian Ocean, western Pacific: Andaman Sea east to Philippines, north to Ryukyu Islands (Japan), south to northern Australia. Habitat: brackish, marine.