| Main Ref. | Gurumayum, S.D. and L. Kosygin, 2016 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished from all its congeners in the Ganga-Brahmaputra River drainage in having a roughly a triangular proboscis, trilobed with two small lobes anteriorly free and a large median lobe antero ventrally tuberculated; di-,tri-and tetracuspid tubercles on snout; pectoral-fin branched rays 13-14; lateral line scales 33-34; predorsal scales 10-11; head length 24.8- 27.9% SL; snout length 56-98% HL; eye diameter 14-19% HL; mental disc length 39-41% HL, its width 53-59% HL; central callous pad length 22-27% HL, width 29-34% HL; transverse scale rows above lateral line 4, between lateral line and pelvic-fin origin 2½ (Ref. 110172). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 33 - 34 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |