| Main Ref. | Ho, H.-C., D.G. Smith and K.A. Tighe, 2015 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | eel-like |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished by the following characters: presence of pectoral fin; dorsal-fin origin is slightly anterior to pectoral-fin base, predorsal length 10.7-13.1% TL; anus anterior, below tip of pectoral fin, preanal length 15.9-18.9% TL; very short trunk, 2.8-5.5% TL; intermaxillary teeth 2; compound teeth on vomer 4; single row of 9-11 large compound teeth on lower jaw; head pores: IO 4, SO 3; M 6; POP 0; AD 1, F 0, ST 0; lateral-line pores: predorsal 3-6, prepectoral 6-9, preanal 8-12, total 57-75, the last at posterior two-thirds of total length; MVF 8-14-124, total vertebrae 119-128 (up to 130 in Robins & Robins, 1989) (Ref. 106136). |
| 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 | 119 - 130 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |