| 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 |
| Type of scales | |
| Diagnosis |
Interpelvic process small and bifid. Lateral line gradually curving down toward caudal peduncle. Vertebrae 21-22 precaudal plus 30-31 caudal, total 51-53. Intestine with 2 folds and 3 limbs. Swim bladder absent. Body covered with small scales. First dorsal fin black anteriorly and at distal margin posteriorly. Generally silvery with sides marked with about three rows of round to elliptical dark spots (orange in life). |
| 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 | 8 - 13 |
| on upper limb | 1 - 4 |
| total | 10 - 16 |
| Vertebrae | |
| preanal | |
| total | 51 - 53 |
| Attributes | no striking attributes |
| Fins number | 2 |
| Finlets No. | Dorsal 7 - 9 |
| Ventral 7 - 10 | |
| Spines total | 17 - 19 |
| Soft-rays total | 17 - 20 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | |
| Soft-rays total | 17 - 20 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 20 - 23 | |
| Pelvics | Attributes more or less normal |
| Position thoracic behind origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |