| Main Ref. | Kodeeswaran, P., Smith. D.G., D.D. DS, T.T.A Kumar and K.K. Lal, 2023 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | eel-like |
| Cross section | circular |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished from its congeners by the following set of characters: dorsal-fin origin behind the pectoral-fin tip; head 18.5% TL; predorsal length 24.0% TL; trunk, 52.4% PAL; eye 12.9% HL; trunk length is 1.1 times in head length; vomer with seven uniserial teeth at posterior end; body fully blackish to dark brown; pectoral fin much darker than body; cephalic pores with whitish rims; SO pores 3; first two pores located at snout tip; small adnasal pore, which is positioned adjacent to third SO pore; IO pores 6, 5 before rictus and 1 behind rictus; pectoral rays 19; and total vertebrae 141+ (Ref. 138213). |
| 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 | 36 - 36 |
| total | 141 - 141 |
| 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 19 - 19 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |