| Main Ref. | Ng, H.H., 2008 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Body uniformly dark, lacking pale spots or patches; eye diameter 16.7-18.2% HL and adipose-fin base length 24.9-26.6% SL (Ref. 75167). Description: dorsal fin with spinelet, spine and 7 rays; anal fin with iv,7, iv,8 or v,8 rays; pectoral fin with I,5i, I,6 or I,6i rays; pelvic fin with i5 rays (Ref. 75167). |
| 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 | 8 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 34 - 35 |
| Attributes | no striking attributes |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 1 - 1 |
| Soft-rays total | 7 - 7 |
| Adipose fin | present |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total | 11 - 13 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 5 - 6 | |
| Pelvics | Attributes |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 6 - 6 |