| Main Ref. | Greenfield, D.W. and W.L. Smith, 2004 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished by its dark color; anal-fin rays 19, dorsal-fin rays 22; usually with a single, simple, pointed orbital cirrus; a simple, pointed barbel at the end of the maxilla; pointed teeth (Ref. 57933). |
| 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 | |
| total | |
| Vertebrae | |
| preanal | 9 - 9 |
| total | 18 - 19 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 3 - 3 |
| Soft-rays total | 22 - 22 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 19 - 19 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 19 - 22 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |