| Main Ref. | Collette, B.B. and C.E. Nauen, 1983 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | no special organs |
| Different appearance | males alike females |
| Different colors | males alike females |
| 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 |
Mouth large with strong, triangular, compressed and finely serrate teeth. Snout about as long as the rest of head. Posterior part of maxilla completely concealed under preorbital bone. Gill rakers absent. Interpelvic process small and bifid. Swim bladder present. Body covered with small scales. No anterior corselet developed. The back is iridescent bluish green; the sides silvery with 24 to 30 cobalt blue vertical bars which extend to below the lateral line. |
| Ease of Identification |
| Lateral Lines | 1 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 | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 0 - 0 |
| on upper limb | 0 - 0 |
| total | 0 - 0 |
| Vertebrae | |
| preanal | |
| total | 62 - 64 |
| Attributes | no striking attributes |
| Fins number | 2 |
| Finlets No. | Dorsal 8 - 9 |
| Ventral 8 - 9 | |
| Spines total | 23 - 27 |
| Soft-rays total | 12 - 16 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 12 - 14 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 22 - 24 | |
| Pelvics | Attributes more or less normal |
| Position thoracic beneath origin of D1 | |
| Spines | |
| Soft-rays |