| Main Ref. | Ceas, P.A. and L.M. Page, 1997 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | different colors during breeding season only |
| Remarks | Breeding males with marginal band of first dorsal fin widest, dark blue; horizontal lines moderately pigmented; transverse bars well defined, brilliant blue. |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Posterior infraorbital pores modally 3; supratemporal canal usually uninterrupted (Ref. 27671). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 44 - 55 |
| Pored lateral line scales | 27 - 40 |
| Scales in lateral series | |
| Scale rows above lateral line | 5 - 7 |
| Scale rows below lateral line | 6 - 9 |
| Scales around caudal peduncle | 15 - 22 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 9 - 11 |
| Soft-rays total | 12 - 14 |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | |
| Spines total | 0 - 0 |
| Soft-rays total | 6 - 9 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 11 - 12 | |
| Pelvics | Attributes more or less normal |
| Position beneath origin of D1 | |
| Spines | |
| Soft-rays |