| 1 | Similar to G. affinis, the anal fin of male would develop into a gonopodium . | |
| 2 | Dorsal fin , tail fin and fat fins slightly yellow, pectoral fin , and ventral fin Tunqi gray. | |
| 3 | Old World freshwater catfishes having naked skin and a long anal fin more or less merged with the eellike caudal fin. | |
| 4 | The male shows elongated rays in its anal fin and yellow pearl organs on the jaws and opercula during breeding season. | |
| 5 | The dorsal and anal fins are long and stretch backwards to its rounded caudal fin . There is a pair of sharp and serrated spines in its pectoral fins. |
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