| Main Ref. | Brittan, M.R., 1954 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | elongated |
| Cross section | compressed |
| 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 |
Preserved color yellowish brown with silvery sheen, darker dorsally; scales margined by brown lines or dots. 12-13 scales between nape and dorsal. Lateral line complete reaching caudal; 9 (rarely 8) scale rows between lateral lines over middle of caudal peduncle. Origin of dorsal between tip of snout and caudal; least depth of caudal peduncle 1.9 - 2 in its length. Maxillary not reaching eye. Thin lips, upper moderately protractile; lower sometimes with external projecting knob at symphysis, fitting the notch on upper one. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 28 - 32 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 4 - 4 |
| Scale rows below lateral line | 1 - 2 |
| Scales around caudal peduncle | |
| Barbels | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 14 - 16 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 2 - 2 |
| Soft-rays total | 7 - 7 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 5 - 5 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 12 - 14 | |
| Pelvics | Attributes more or less normal |
| Position thoracic before origin of D1 | |
| Spines 1 | |
| Soft-rays 8 - 8 |