| Main Ref. | Myers, R.F., 1991 |
| 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 | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Nearly all black, but a thin white line over the back from the tip of the snout and along the tips of the dorsal fin spines (Ref. 48635). Description: Characterized by vertebrae 13+15-17; tubed lateral line scales 7-11; sensory pores on dentary 4; without papillae present on head; depth of body at origin of dorsal fin 4.0-4.4 in SL (Ref. 90102). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 7 - 13 |
| Scales in lateral series | 28 - 29 |
| 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 | 7 - 7 |
| on upper limb | 2 - 2 |
| total | 9 - 9 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | extending over most of the back length |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 19 - 21 |
| Soft-rays total | 3 - 5 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 8 - 10 |
| Soft-rays total | 3 - 5 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 17 - 18 | |
| Pelvics | Attributes more or less normal |
| Position thoracic beneath origin of D1 | |
| Spines | |
| Soft-rays |