| Main Ref. | Costa, W.J.E.M., C.R.M. Feltrin and A.M. Katz, 2021 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Distinguished from other species by the following set of characters: D 11-12 (ii-iii + II + 7); A 9-10 (ii-iii + I-II + 5-6); dorsal-fin origin in a vertical through the centrum of the 18th or 19th vertebra; anal-fin origin in vertical just anterior to posterior dorsal-fin base end; P 7 (I + 6); pelvic-fin rays 5 (I + 4); principal caudal-fin rays 13 (I + 11 + I); caudal fin subtruncate; vertebrate 37; ribs 14; longer maxillary barbel reaching the middle of the pectoral-fin base; 10 or 11 opercular odontodes; 44-46 premaxillary teeth; 20-24 dorsal procurrent caudal-fin rays; 23-25 interopercular odontodes; 17.8-20.2 % SL caudal-fin length; 9.7-12.6 % SL pelvic-fin length. Colouration: presence of rounded brown spots with dark brown to black margin on the flank area in adult specimens (Ref. 129458). |
| Ease of Identification | easy to distinguish from other species. |
| 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 | 37 - 37 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |