| Main Ref. | Hibino, Y. and S. Kimura, 2015 |
| 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 of the Scolecenchelys gymnota species group is distinguished by the following set of characters: head 9.9-12 % TL; tail 54-58 % TL; body depth 2.0-4.0 % TL; snout 15-20 % HL; horizontal distance between dorsal-fin origin and a vertical through mid-anus 3.5-46 % HL; blunt snout; rictus of mouth anterior to or just below a vertical through posterior margin of eye; upper-jaw teeth arranged biserially and vomer only a single row or rarely biserial anteriorly; predorsal vertebrae 54-63, preanal 54-58, total 135-146; MVF 59-56-139 (Ref. 104540). Description: Characterized by pale greyish color, sometimes with reddish fins; no pectoral fins; dorsal and anal fins confluent with caudal fin; soft and flexible tail tip; small and sharp teeth (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 | 54 - 58 |
| total | 135 - 146 |
| 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 0 | |
| Soft-rays 0 - 0 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |