utarus, Arius Kailola [P. J.] 1990:12, Figs. 4 [Records of the Western Australian Museum Suppl. No. 34; ref. 19337] Murik Lakes, New Guinea. Holotype: AMS I.25406-001. Paratypes: AMS I.25406-002 (2); WAM P.27846-001 (4), P.27847-010 (7), P.28224-001 (1); QM I.21674 (1). Other paratypes at: CAS (2 lots, 3), CSIRO C 3532 (1), KFRS 5517.01 (2, discarded), NTM (2), RMNH 28814 (1), RMNH (1), SAMA F6254 (1), CAS-SU (3 lots, 3), ZMA (2 lots, 2). Type catalog: Hutchins & Smith 1991:8 [ref. 19335], Ferraris 2007:48 [ref. 29155], Moore et al. 2008:7 [ref. 30117]. •Valid as Arius utarus Kailola 1990 -- (Allen & Coates 1990:61 [ref. 25561], Allen 1991:56 [ref. 21090], Allen et al. 1992:298 [ref. 21400], Burgess & Finley 1996:165 [ref. 22901], Kailola 1999:1867 [ref. 24732], Kailola 2000:127 [ref. 25113]). •Valid as Ariopsis utarus (Kailola 1990) -- (Kailola 2004:126 [ref. 28108]). •Valid as Sciades utarus (Kailola 1990) -- (Marceniuk & Menezes 2007:111 [ref. 29031]). •Valid as Neoarius utarus (Kailola 1990) -- (Ferraris 2007:48 [ref. 29155]). •Valid as Brustiarius utarus (Kailola 1990) -- (Marceniuk et al. 2023:40 [ref. 40422]). Current status: Valid as Brustiarius utarus (Kailola 1990). Ariidae: Ariinae. Distribution: Papua New Guinea. Habitat: freshwater, brackish.