| Main Ref. | Myers, R.F., 1991 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Olive dorsally; silvery ventrally (Ref. 9812). Description: Characterized by having whitish fins; cycloid or weakly ctenoid scales; snout shorter than eye diameter; very thick upper lip; deep longitudinal fold near ventral edge on upper lip, splitting lip into upper and lower lobes fringed with ridges of horny epidermis; thin and directed forward lower lip fringed with ridges of horny epidermis; upper and lower lip folds tucked under preorbital at corners of mouth; absence of adipose eyelid; deeply notched preorbital on anteroventral edge; emarginate caudal fin (Ref. 90102). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 32 - 37 |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 16 - 16 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 30 - 41 |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 4 - 4 |
| Soft-rays total | 9 - 10 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 16 - 19 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 5 |