| Main Ref. | Myers, R.F., 1989 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | cycloid scales |
| Diagnosis |
Vomerine teeth forming a characteristic T pattern. Ascending process of premaxilla long, extending past orbit into interorbital space; lateral process very long and pungent. Gill rakers long and slender, longer than half the diameter of pupil. Interdorsal scales 8-10. Distinct crescentic mark present on snout immediately in front of eye; upper part of midlateral band terminating as half crescent on upper lobe of caudal fin. Description: Characterized by bluish green dorsally and silvery on sides; 17-20 predorsal scales; long and slender body, depth about 6.5 in SL; widely separated dorsal fins; large eye, about 3.0 in head length; large and extremely protractile mouth; jaws, palatines, vomer and meopterygoids with small teeth (Ref. 90102). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 0 - 0 |
| Pored lateral line scales | |
| Scales in lateral series | 38 - 45 |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 21 - 24 |
| on upper limb | 5 - 6 |
| total | 27 - 29 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 5 - 8 |
| Soft-rays total | 8 - 10 |
| Adipose fin |
| Attributes |
| Fins number | 1 |
| Spines total | 1 - 1 |
| Soft-rays total | 9 - 12 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 16 - 18 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 5 |