| Main Ref. | Poss, S.G. and W.N. Eschmeyer, 1975 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
No spines on the lateral surface of the lachrymal nor on the lateral surface of the first suborbital bone (Ref. 41496). Second and third dorsal spines very elongate in larger specimens. Body with large irregular dark brown spots. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 15 - 18 |
| 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 | 2 - 4 |
| on upper limb | 8 - 10 |
| total | 10 - 14 |
| Vertebrae | |
| preanal | |
| total | 28 - 28 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 15 - 15 |
| Soft-rays total | 8 - 8 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 5 - 6 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes more or less normal |
| Position thoracic behind origin of D1 | |
| Spines | |
| Soft-rays |