Key to the Species of Kumba in Taiwan

(Adapted from Iwamoto and Sazonov, 1994)

1a. Scaleless areas on dorsal surface of snout extending posteriorly beyond lateral nasal angles; V 9–10; orbit 37–43% HL.......................................... K. punctulata

1b. Scaleless areas on dorsal surface of snout extending posteriorly only to lateral nasal angles; V 10–13; orbit 26–43% HL................................................... 2

2a. No pigment spots along A; barbel short, about 7% HL; orbit 26–27% HL, equal or less than interorbital width; V 10–11..................................... K. gymnorhynchus

2b. Three black pigment spots above mid-length of A; barbel 21–33% HL; orbit 36–43% HL, much greater than interorbital width; V 11–13................................. K. japonica