| Main Ref. | Allen, G.R., 1991 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | elongated |
| Cross section | other (see Diagnosi |
| 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 | |
| Type of scales | |
| Diagnosis |
Body sub-cylindrical; head depressed; caudal fin rounded (Ref. 2847). The dorsal surface and sides is dark and mottled with a combination of black and ochre, and white on the belly; a large head reminiscent of a snake's head; deeply-gaping, fully toothed mouth; very large scales (Ref. 44091). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 53 - 55 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 38 - 43 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 23 - 27 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 15 - 17 | |
| Pelvics | Attributes more or less normal |
| Position abdominal | |
| Spines | |
| Soft-rays 6 - 6 |