| Main Ref. | Yue, P.Q., 1995 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | clearly convex |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
A iii - 6; P i - 16 - 18; V i - 8. Body spots absent in adults. Elongated body with slightly convex dorsal profile. Head length somewhat longer than body depth. Snout length equal to postorbital head length. Lips well developed, lateral lobes of lower lip narrow, without folds, the median process is marked. Barbel slender, 1/2-2/3 of eye diameter. Dorsal spine slender, 2/3 of HL. Origin of dorsal fin equidistant between tip of snout and caudal base. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 44 - 47 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 16 - 18 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 11 - 15 |
| Vertebrae | |
| preanal | |
| total | 43 - 44 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 3 - 3 |
| Soft-rays total | 7 - 7 |
| Adipose fin |
| Attributes | forked; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays |