| Main Ref. | Iwamoto, T. and K.J. Graham, 2008 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinct in having the following characters: entirely naked underside of head; blunt snout with broad naked areas dorsally behind leading edge; naked nasal fossa; orbit diameter 44-49% of HL; saddles on body obscure anteriorly, more prominent posteriorly; interspaces between saddles pale, narrow, occupying 1 or 2 scale rows on dorsomedian line and giving appearance of white spots when viewed dorsally; generally all fins are dark dusky to blackish; naked fossa of light organ extends forward close to line connecting pelvic-fin insertions; 19-26 pyloric caeca (Ref. 75874). |
| 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 | 2 - 2 |
| Soft-rays total | 9 - 11 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |