| Main Ref. | Britto, M.R. and R.M.C. Castro, 2002 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Males with a lanceolate genital papilla (Ref. 46825). |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Differentiated in having serrations of posterior borders of pectoral spine restricted to proximal half of spine, and parapophyses of fourth free vertebra reduced, separated from each other, and not fused into haemal arch (Ref. 46825). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| 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 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 1 - 1 |
| Soft-rays total | 6 - 8 |
| Adipose fin | present |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 8 - 10 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 9 - 9 | |
| Pelvics | Attributes more or less normal |
| Position abdominal beneath origin of D1 | |
| Spines 0 | |
| Soft-rays 6 - 6 |