| Main Ref. | Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | elongated |
| Cross section | oval |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | cycloid scales |
| Diagnosis |
This species does not have light organs. The head is large; eyes are large, about equal in diameter to the interorbital space. The snout is blunt with the lower jaw slightly projecting. The body tapers quite abruptly from behind the pectoral fin. Body color is light brown. The fin membranes, branchiostegal membrane, gill chamber and body cavity color is black. Also Ref. 2800. |
| 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 | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 21 - 24 |
| on upper limb | 6 - 7 |
| total | 27 - 31 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | extending over most of the back length |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 16 - 20 | |
| Pelvics | Attributes more or less normal |
| Position thoracic beneath origin of D1 | |
| Spines 0 | |
| Soft-rays 8 - 8 |