Hemiarius hardenbergi (Kailola, 2000)
Arius hardenbergi ZBK Kailola, 2000: 137, figs. 7-8. Type locality: Maimeri River, 2°06’S, 133°45’E, Bintuni Bay, Papua (Irian Jaya). Holotype: WAM P.29966-001 . Paratypes: AMS I.29291-001, NCIP 436, QM I.26088 .
Distribution: Southern New Guinea.
Countries: Papua New Guinea.
Habitat: Marine and brackish waters.
Maximum size: 260 mm SL.