Author: (Daget, 1962)
Comments: Maximum TL was recorded at 20.5 cm (Ref. 2801).  Affinities:  sympatric with <i>B. bynni occidentalis</i> in Bafing and Upper Niger where they are easily distinguished by the # of scales or absence of the chin lobe. Compared to <i>B. sacratus</i>, <i>B. petitjeani</i> has less scales above the lateral line and a bit longer last simple dorsal-fin ray. 