| Main Ref. | Kai, Y., K. Matsuzaki, T. Mori, D.L. Pitruk, R. Misawa and F. Tashiro, 2024 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished by the following set of characters: vertebrae 55-58; D 50-52; A 43-48; pectoral-fin rays 31-36; pectoral fin deeply notched, lower lobe long, same length as or slightly longer than upper lobe, extending to two-thirds between anus and anal fin origin; pelvic disk rounded and greatly reduced; cephalic pores 2-6-7-2, chin pores paired in separate pits; gill slit large, extending ventrally to pectoral-fin rays 6-11; teeth simple, shouldered or weakly trilobed; anus located below posterior rim of orbit; peritoneum and stomach black (Ref. 133142). |
| 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 | 9 - 10 |
| total | 55 - 58 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 50 - 52 |
| Adipose fin |
| Attributes |
| Fins number | 1 |
| Spines total | |
| Soft-rays total | 43 - 48 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 31 - 36 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |