| Main Ref. | Kottelat, M., 2000 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | sucker-like |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Snout with a conspicuous, deeply notched secondary rostrum with large tubercles, with a long and slender proboscis, pointed forwards and not in contact with snout along its inferior side; body and fins dark brown to black with 6 faint stripes on posterior part; dorsal and anal fins with yellowish tip (Ref. 36949). |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 33 - 34 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 4.5 - 4.5 |
| Scale rows below lateral line | 5.5 - 5.5 |
| Scales around caudal peduncle | 16 - 16 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | |
| Soft-rays total | 8 - 8 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays |