| Main Ref. | Herre, A.W.C.T., 1924 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| 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 |
Color in life dark greenish or olive dorsally, paler on sides, whitish below; silvery luster over all; nape with a black spot; fins more or less dusky. The species may vary in color, scale counts and proportions. Circular gelatinous lid of eye high up, with posterior margin midway between tip of snout and posterior margin of operculum. 8 scales from nape to dorsal; 2-2.5 scales between origin of ventral and lateral line. Short, round axillary ventral scale much less than eye in length. Longitudinal branching lines on scales. Snout round. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 24 - 26 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 4.5 - 4.5 |
| Scale rows below lateral line | 2 - 2.5 |
| Scales around caudal peduncle | 11 - 12 |
| Barbels | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 4 - 4 |
| Soft-rays total | 8 - 8 |
| 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 14 - 15 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines 1 | |
| Soft-rays 7 - 7 |