| Main Ref. | Deef, L.E.M., 2018 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | oval |
| 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 characters: body dark bluish grey dorsally and the sides are blue; head length 20.5-21.6% SL; head width 13-13.5% SL; pre-first dorsal fin length 50% SL; eye diameter 4.6-5.2% SL; postorbital length 10.7-11.1% SL; unbranched pyloric caeca are 2 short and 4 long; a pair of long (one longer than the other), spine-like neural postzygapophyse on the second vertebra. Further distinguished by having adipose eyelid not thick, not extending onto iris; upper lip very deep; corner of mouth cleft not reaching to below front nostril; body elongated and spindle-shaped; 2 dorsal fins small and widely separated (D1 IV, D2 I,8); head flattened (Ref. 119354). |
| 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 | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 5 - 5 |
| Soft-rays total | 8 - 8 |
| Adipose fin |
| Attributes |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 14 - 14 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |