Can be distinguished from all its congeners by the following combination of characters: 25-29 scales in longitudinal series; pectoral fin with vertical rows of small dark gray spots or dark gray bars in males; frontal squamation F-patterned, anterior section of supraorbital series of neuromasts continuous; dark marks on flanks mainly longitudinally arranged in females; body depth 21.3-24.6% SL in males and 18.1-23.8% SL in females; caudal peduncle depth 15.5-17.1% SL in males and 14.7-15.7% SL in females; head depth 69.4-75.4% SL in males and 65.2-68.1% SL in females; and 4-5 bars or transverse rows of spots on pectoral fins in males (Ref. 57947).