Key to species of Cabdio

1a- 52–60 total lateral-line scales....................................................................... C. jaya

1b- 35–51 total lateral-line scales............................................................................ 2

2a- 11–12 anal-fin rays; 45–51 total lateral-line scales.................................................... C. crassus

2b- 7–9 anal-fin rays; 35–42 total lateral-line scales............................................................. 3

3a- 9–11 pectoral-fin rays; 7½ scales between lateral line and dorsal-fin origin; keel on abdomen absent........ C. occidentalis

3b- 12–14 pectoral-fin rays; 5½ scales between lateral line and dorsal-fin origin; keel on abdomen present.................. 4 4a- 35–37 total lateral-line scales; 14–16 predorsal scales............................................... C. ukhrulensis

4b- 38–42 total lateral-line scales; 17–18 predorsal scales................................................... C. morar