| Main Ref. | Britz, R., 2009 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | eel-like |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Belongs to the Macrognathus aculeatus species group but can be distinguished from all other species of this group by the following combination of characters: 19-23 rostral tooth plates; 14-22 dorsal-fin spines; and 7-11 small ocelli along soft dorsal fin, with ventrally open, incomplete white rim (Ref. 83418). |
| 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 | 72 - 80 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 14 - 22 |
| Soft-rays total | 51 - 61 |
| Adipose fin |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | 3 - 3 |
| Soft-rays total | 51 - 60 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 20 - 24 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |