| Main Ref. | Myers, R.F., 1989 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Description: Characterized by dark brown color, black head and pectoral fins; lateral-line arched over pectoral fin; reduced and discontinuous midventral scutes; raising shutter from below turns off light organ; large eye, about 2.3 in head length; body depth 2.3-2.4 in SL (Ref. 90102). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 40 - 40 |
| Pored lateral line scales | 57 - 60 |
| 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 | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 2 - 3 |
| Soft-rays total | 16 - 20 |
| Adipose fin |
| Attributes | forked |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 13 - 15 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 15 - 17 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 6 |