| Main Ref. | Ng, H.H. and J. Freyhof, 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | compressed |
| Dorsal head profile | clearly convex |
| Type of eyes | |
| Type of mouth/snout | more or less normal |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnose |
Genital papilla concealed by the anus. A unique combination of the following characters: head width 15.3-16.2% SL; head depth 10.6-11.7% SL; and pelvic-fin length 6.6-7.2% SL (Ref. 41525). |
| 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 | 6 - 7 |
| Wirbelzahl | |
| preanal | |
| insgesamt | 55 - 55 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 4 - 4 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | |
| Soft-rays total | 56 - 61 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 11 - 12 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays 8 - 9 |