| Main Ref. | Bigelow, H.B., D.M. Cohen, M.M. Dick, R.H. Gibbs Jr., M. Grey, J.E. Morrow Jr., L.P. Schultz and V. Walters, 1964 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Scales with tiny spines on exposed parts. Dorsal fin begins above or nearly above tip of pectoral fin (Ref. 7251). Swim bladder elongated and silvery. Body slender to robust (Ref. 37473). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 64 - 69 |
| 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 | |
| Soft-rays total | 11 - 13 |
| Adipose fin | present |
| Attributes | forked; more or less normal |
| Fins number | 2 |
| Spines total | |
| Soft-rays total | 11 - 17 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 15 - 18 | |
| Pelvics | Attributes more or less normal |
| Position | |
| Spines | |
| Soft-rays 12 - 13 |