| Main Ref. | Langeani, F., 1999 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Distinguished from all other Hemiodus species, except H. ternetzi and H. thayeria, by the presence of a dark longitudinal stripe extending from behind the eye or the opercle to the tip of the lower caudal fin lobe. This species is distinguished from H. ternetzi and H. thayeria by the possession of a dorsal fin oblique blotch, extending from its anterior distal portion through the middle basal portion of the fin. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 51 - 58 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 8 - 9 |
| Scale rows below lateral line | 4 - 5 |
| 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 | 10 - 11 |
| Adipose fin | present |
| Attributes | forked; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 10 - 11 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 17 - 19 | |
| Pelvics | Attributes |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 10 - 11 |