| Main Ref. | Gon, O., 1986 |
| 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 | |
| Diagnosis |
Membranous edge at the upper border of the gill cover is absent or poorly developed. No opercular spines. Caudal peduncle is short, body is deep (Ref. 31632). Specimens less than 8 cm SL with a dark band on peduncle at caudal base and a thin black ring on central part of peduncle (disappears in specimens greater than 11 cm SL) (Ref. 4329). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 46 - 49 |
| 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 | 18 - 23 |
| on upper limb | 8 - 10 |
| total | 26 - 33 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 7 - 7 |
| Soft-rays total | 10 - 10 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 17 - 19 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |