| Main Ref. | Su, Y., J.R. Paxton and H.-C. Ho, 2026 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| 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: single ridge of skin over the anal fin with incipient anal lappets without scales; filaments on fourth gill arch well developed, its length 82.4% filament on first arch; cavernous tissue present around anus and extending to base of third anal-fin ray; vertebrae 36 + 18 = 54; GRI 2 + 1 + 8; medial GRI 4; medial GRII 1; dorsal-fin rays 15; anal-fin rays 15; lateral-line pores 17; lateral-line scales 16; and copular tooth plate rather broad, greatest width 2.1 in length (Ref. 138879). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 16 - 16 |
| Pored lateral line scales | 17 - 17 |
| 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 | 54 - 54 |
| 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 |