| Main Ref. | Lima, A.D., G. Vita, G.M. Dutra, W.M. Ohara and M.N.L. Pastana, 2023 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | fusiform / normal |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished from its congeners by the following set of characters: number of scales in the longitudinal series 43-46; branched anal-fin rays 21-25, modal 23; complete and regularly arranged series of predorsal scales; single, vertically elongated and relatively wide humeral blotch; conspicuous, rounded, and symmetrical dark blotch located at the posterior limit of the caudal peduncle and base of caudal fin rays; and a thin longitudinal line formed by dark pigmentation running along horizontal septum of body (Ref. 138177). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 8 - 9 |
| Scale rows below lateral line | 7 - 8 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | 18 - 18 |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 8 - 10 |
| Adipose fin | present |
| Attributes |
| Fins number | 1 |
| Spines total | |
| Soft-rays total | 21 - 25 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 11 - 13 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays 7 - 8 |