| Main Ref. | Hastings, P.A. and H.J. Walker Jr., 2003 |
| 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 scales on cheek; 138-145 irregular scale rows along midline; ventralmost 3-6 pectoral fin rays unbranched; eye relatively small (5 times in HL); dorsal sensory pores relatively small (diameter of anteriormost temporal pore, commissural pore and median supratemporal pores less than length of nostril tube); five or six spots along dorsal fin; eight dorsal saddles on body and little pigment below midline (Ref. 51122). Caudal fin rounded (Ref. 51122). |
| Ease of Identification |
| 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 | |
| Vertebrae | |
| preanal | |
| total | 53 - 54 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 47 - 48 |
| Soft-rays total | 0 - 0 |
| Adipose fin | absent |
| Attributes | other (see remark); confluent |
| Fins number | 1 |
| Spines total | 1 - 1 |
| Soft-rays total | 30 - 31 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 3 - 3 |