C. maudae differs from C. leucostictus by having a narrow white bar in the middle of each interspace between the white saddles (Ref. 37816); characterized by mottled dark brown body color; presence of at least five whitish saddles across back; snout and jaw tips bright white; anal fin with diagonal dark bands; anal fin positioned posteriorly, origin level with third ray of second dorsal fin; united pelvic fins, presence of frenum; longitudinal scale series 120; head without scales; greatest depth of body 5.9-7.0 in SL; rounded caudal fin, slightly longer than head (Ref. 90102).