| Main Ref. | Ho, H.-C., 2021 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | flattened |
| 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: body uniformly black; principal tubercles on rostrum are trifid; subopercular tubercle elongated and divided into four spinelets distally; tubercles on dorsal and ventral surfaces and tail are all simple, rather apart from each other with naked skin in between; tubercles on disk margin somewhat depressed, bifurcate at the tip; tubercles on dorsal surface with 5-8 facets; dorsal lobe of esca with two pairs of cirri; head narrow, 26.9% SL; interorbital space also narrow, 8.2% SL; illicial cavity narrow, 7.0% SL; all fins are relatively long (dorsal-fin length 19.1% SL, pectoral-fin length 31.6% SL, anal-fin length 19.7% SL, caudal-fin length 31.0% SL) (Ref. 127411). |
| 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 |
| 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 |