| Main Ref. | Costa, W.J.E.M., P.H.N. Bragança and F.P. Ottoni, 2015 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Females resemble males in body color except by unpaired and pelvic fins white, distal black margin on dorsal and anal fins, entire black margin on caudal fin, and black anterior margin on pelvic fin, rounded black spot on dorsal portion of caudal-fin base, and vertically elongated black spots on middle of caudal fin. |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | cycloid scales |
| Diagnosis |
Description: Caudal fin oval, longer than deep; longitudinal series of scales 27-28; transverse series of scales 8 (Ref. 101434). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 27 - 28 |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 16 - 16 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 28 - 29 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 8 - 9 |
| Adipose fin | absent |
| Attributes | other (see remark) |
| Fins number | |
| Spines total | |
| Soft-rays total | 12 - 13 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 11 - 12 | |
| Pelvics | Attributes |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 5 - 7 |