| Main Ref. | Ferreira, K.M., N.A. Menezes and I. Quagio-Grassioto, 2011 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Presence of hooks on anal-and pelvic-fin rays in sexually mature males. |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | cycloid scales |
| Diagnosis |
Can be diagnosed by having the following characters: head depth 16.7-18.8% SL; 8 longitudinal scale rows between lateral-line and pelvic-fin origin; 47-56 scales on lateral line; and 19-22 branched anal-fin rays (Ref. 87315). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 47 - 56 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 8 - 8 |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 15 - 21 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 10 - 11 |
| Adipose fin | present |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total | 23 - 26 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 10 - 11 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 7 - 7 |