| Main Ref. | Heemstra, P.C., 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Head and body silvery blue-green. Four or 5 faint dark blue bars often visible on body. Fins dusky. Body orbicular and strongly compressed, its depth more than twice length of head. Eye above horizontal axis through mouth. Mouth small, the maxilla not reaching past vertical at front edge of eye. Jaws with bands of slender, incisiform teeth with a single lanceolate cusp. No teeth on palatines or vomer. Preopercle distinctly serrate, with a broad naked margin. Opercle without spines (Ref 43039). |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 39 - 43 |
| Pored lateral line scales | |
| Scales in lateral series | |
| 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 | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 9 - 9 |
| Soft-rays total | 19 - 20 |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | |
| Spines total | 3 - 3 |
| Soft-rays total | 15 - 17 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 18 - 19 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 5 |