| 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 | fusiform / normal |
| 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 |
| Diagnosis |
Snout much shorter than rest of the head. Interpelvic process short and bifid. Lateral line gradually curving down toward caudal peduncle. Body entirely covered with small scales, no anterior corselet developed. Pelvic fins relatively short. Intestine with 2 folds and 3 limbs. Swim bladder absent. Sides silvery with several rows of round yellowish bronze spots. First dorsal fin black. |
| 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) | absent |
| Gill rakers | |
| on lower limb | 9 - 13 |
| on upper limb | 1 - 3 |
| total | 10 - 16 |
| Vertebrae | |
| preanal | |
| total | 47 - 49 |
| Attributes | no striking attributes |
| Fins number | 2 |
| Finlets No. | Dorsal 8 - 10 |
| Ventral 7 - 10 | |
| Spines total | 17 - 19 |
| Soft-rays total | 15 - 19 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 16 - 20 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 21 - 24 | |
| Pelvics | Attributes more or less normal |
| Position thoracic before origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |