| Main Ref. | Hutchins, J.B., 1997 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | no special organs |
| Different appearance | |
| Different colors | |
| Remarks | Second ray of soft dorsal fin slightly elongate and filamentous. |
| Striking features | striking shape of body |
| Body shape lateral | short and / or deep |
| Cross section | compressed |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Prominent hump just anterior to nostrils absent. Soft dorsal fin in males has the second ray slightly elongated and filamentous. Long caudal fin, its length equal to the head length. A broad dark stripe on the outer margin of the anal fin in male, its width greater than that of the pupil (Ref. 33065). |
| Ease of Identification | likely to be confused with closely related 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 | 24 - 24 |
| Vertebrae | |
| preanal | |
| total | 19 - 19 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 2 - 2 |
| Soft-rays total | 29 - 29 |
| Adipose fin | absent |
| Attributes | more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 28 - 29 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes joint to one spine only |
| Position thoracic behind origin of D1 | |
| Spines 1 | |
| Soft-rays 0 - 0 |