| Main Ref. | Guimarães, R.Z.P. and A.C.L.H. de Bacellar, 2002 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Adult females with greater pelvic to anal fin distance; adult males with longer maxilla and wider head. |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Body elongated, mean body depth 21.7% SL in adult males. Wide predorsal area, mean 22.6% SL in adult males. First 2 dorsal fin spines much longer than the rest; distance between 3rd and 4th spine greater than orbit diameter; last dorsal fin element segmented. Opercular spine flattened and triangular (Ref. 43114). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 33 - 36 |
| 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 | 34 - 34 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 27 - 29 |
| Soft-rays total | |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 18 - 20 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 3 - 3 |