Article: Opinion 2011 (Case 3061) Hemibagrus Bleeker, 1862 (Osteichthyes, Siluriformes), Bagrus Nemurus Valenciennes in Cuvier & Valenciennes, 1840, B. Planiceps Valenciennes, 1840, B. Flavus Bleeker, 1846 and B. Sieboldii Bleeker, 1846: previous fixations of type specimens not to be set