| Main Ref. | Schaefer, S., R.K. Johnson and J. Badcock, 1986 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnose |
Dark dorsum, flanks silver; black pigment on outer caudal rays (Ref. 3988). Two rows of photophores on the body (Ref. 37473). Pyloric caeca 7-8; photophores above anal fin 15-17 (Ref. 41740). |
| 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 | 10 - 11 |
| on upper limb | 5 - 6 |
| insgesamt | 15 - 17 |
| Wirbelzahl | |
| preanal | |
| insgesamt | 43 - 45 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 10 - 14 |
| Adipose fin | present |
| Attributes |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 27 - 34 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 9 - 11 | |
| Pelvics | Attributes |
| Position abdominal before origin of D1 | |
| Spines 0 | |
| Soft-rays 7 - 7 |