| Main Ref. | Blanco, J.L., T. Hrbek and I. Doadrio, 2006 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | different colors in juveniles and adults |
| Remarks | There is a clear sexual dimorphism in pigmentation pattern, and females also appear to have a greater body size than males (Ref. 57144). |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | superior |
| Type of scales | |
| Diagnosis |
Body moderately elongated (Ref. 57144). Preorbital length 0.9-1.3 in eye-diameter (Ref. 57144). Dorsal fin inserted before origin of anal fin, on the same axis, with 7-8 (rarely 9) branched dorsal-fin rays (Ref. 57144). A long and narrow caudal peduncle, its length 1.7-2.0 in body least depth (Ref. 57144). Body pigmentation of live males a profusely mottled blue and silver, not forming vertical bars; females without conspicuous black spots, except a spot at the junction of the caudal peduncle and central caudal fin rays (Ref. 57144). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 25 - 26 |
| 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 | 8 - 11 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | |
| Soft-rays total | 10 - 11 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 13 - 16 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 5 - 6 |