Author: (Steindachner, 1879)
Remark: See the most complete description by Steindachner as <i>Chaetostomus cochliodon</i> (sive <i>gibbosus</i>).
Comments: Recorded maximum length and weight of a captive individual from the middle course of Magdalena River in Colombia, 45 cm SL and 1.45 kg, respectively (A.F. Echeverri (pers.comm. 04/09).