| Main Ref. | Carpenter, K.E., 1987 |
| Appearance refers to | Male; Female |
| 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 (shape guide) | fusiform / normal |
| 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 | ctenoid scales |
| Diagnosis |
With 4-5 scales on cheek; 21-24 predorsal scales; scaled dorsal and anal fins; narrow scaleless zone at dorsal midline interrupting Supra-temporal band of scales. Upper peduncular scale rows usually 11 (10-11); lower peduncular scale rows usually 14 or 15 (13-15). Most of body light to silvery blue, paler ventrally. Black blotch at the tip of each caudal-fin lobe bordered proximally by a white band. Presence of a small process on each ventrolateral surface of basioccipital for attachment of Baudelot's ligament. Post maxillary process single; posterior end of maxilla blunt. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 51 - 58 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 7 - 9 |
| Scale rows below lateral line | 15 - 17 |
| Scales around caudal peduncle | 23 - 26 |
| Barbels | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | extending over most of the back length |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 10 - 10 |
| Soft-rays total | 14 - 15 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 12 - 12 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 20 - 21 | |
| Pelvics | Attributes more or less normal |
| Position thoracic beneath origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |