| Main Ref. | Talwar, P.K. and A.G. Jhingran, 1991 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | eel-like |
| Cross section | circular |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Teeth molariform, multiserial on jaws, intermaxillary and vomer; dorsal fin with broad dark edge (Ref. 37816). Dorsal fin beginning above pectoral fin (Ref. 12693). Body snake-like, cylindrical, compressed only along extreme tail tip; anterior nostril tubular, posterior nostril along lower edge of lip; median fins not continuous posteriorly; extreme tip of tail stiff and finless; dorsal fin origin over front to middle portion of pectoral fins; lateral line inconspicuous (Ref. 4832). Variable from grey to black or brown. Large individuals have wrinkled skin (Ref. 48635). Description: Characterized by head length 8.5-10 in TL; depth of body about 22-36 (Ref. 90102). |
| 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 | 152 - 163 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 0 - 0 |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | 0 - 0 |
| Soft-rays total |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines 0 | |
| Soft-rays |