| Main Ref. | Kottelat, M., 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | other (see remarks) |
| Body shape lateral | short and / or deep |
| Cross section | compressed |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Conspicuous hump in front of first dorsal-fin origin, made by a very long, thin anterosuperior expansion of the supraoccipital spine. Predorsal area without scales. Both caudal fin lobe with a submarginal blackish stripe. Dorsal and anal fins with grey or black distal margins; first dorsal and anal fins with proximal row of spots. Dorsal-fin origin with a blackish, triangular blotch. A black stripe between the head and the predorsal blotch (Ref. 49523). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 6 - 7 |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 11 - 11 |
| on upper limb | 2 - 3 |
| total | 13 - 14 |
| Vertebrae | |
| preanal | |
| total | 25 - 25 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 8 - 8 |
| Soft-rays total | 15 - 16 |
| Adipose fin |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 16 - 17 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 12 - 12 | |
| Pelvics | Attributes more or less normal |
| Position thoracic before origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |