| Main Ref. | Smith-Vaniz, W.F. and G.D. Johnson, 1990 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | cycloid scales |
| Diagnosis |
Posterior body scales with membranous flaps and ctenii, if present, very reduced, short and robust dorsal-and anal-fin spines, and the interradial membranes of the spinous dorsal fin weakly incised. Description: Characterized by mostly black color except white mid-dorsal band on head from upper lip to dorsal-fin origin and narrow white margins on dorsal, anal and caudal fins; two lateral lines, dorsal lateral line 33-35 tubed scales, lower lateral line 17-20 tubes scales; sensory on dentary 4; without papillae present on head; depth of body at origin of dorsal fin 4.8-5.0 in SL (Ref. 90102). |
| 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 | |
| on upper limb | |
| total | 11 - 11 |
| Vertebrae | |
| preanal | |
| total | 27 - 27 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 20 - 20 |
| Soft-rays total | 2 - 2 |
| Adipose fin | absent |
| Attributes | other (see remark); more or less normal |
| Fins number | 1 |
| Spines total | 11 - 11 |
| Soft-rays total | 2 - 2 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 15 - 16 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |