| Main Ref. | Liang, S., 1991 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | |
| Diagnose |
Slim and long body, straight in the back and stomach. Head looks like a triangle from the top. Smooth body without scale, only male has a line of thin scales (around 18) near the origin of the caudal fin. A line of black spots located along the side of the stomach, starting from the origin of the pectoral fin till the origin of the caudal fin. White opaque body (Ref. 33336). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| 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 | |
| insgesamt | |
| Wirbelzahl | |
| preanal | |
| insgesamt |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 10 - 12 |
| Adipose fin |
| Attributes | forked; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 26 - 29 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 10 - 12 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 7 - 7 |