| Main Ref. | Mattos, J.L.O., W.J.E.M. Costa and C. de S. Gama, 2008 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished by having a slender and long quadrate with greatest depth about 30% of the length of its main axis; compared to its congeners, it has a long nostril barbel, reaching the posterior margin of the eyes (vs. reaching anterior margin), no cranial fontanel (vs. present), anterior part of palatine with small ossification (vs. none) (Ref. 78711). |
| 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 | 29 - 31 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 5 - 5 |
| Adipose fin |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | |
| Soft-rays total | 4 - 4 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 4 - 4 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays 4 - 4 |