| Main Ref. | Römer, U., J. Beninde and I. Hahn, 2011 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Adult males possess produced and pointed lappets along entire length of hard rays of dorsal fin, dorsal membranes with irregular pattern of dark spots; caudal fin rounded and immaculate. Caudal-peduncle spot visible in all specimens, horizontally devided in medium-sized to large male specimens (vs. entire in small ones and all females). Most larger females have up to three roundish lateral spots within margins of lateral band, absent in all small ones. In most specimens cheek stripe less than half as wide as pupil; short midventral stripe present in females (vs. absent in males). |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Distinguished from congeners by the combination of the following characters: seven to eight horizontal rows of mostly triangular black spots along sides; rounded caudal fin, horizontally split spot on caudal base in males; straight, narrow cheek stripe, and body more high-backed compared to similar species. |
| 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 | 16 - 16 |
| 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 | 14 - 16 |
| Soft-rays total | 6 - 8 |
| Adipose fin |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | 3 - 3 |
| Soft-rays total | 7 - 8 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 11 - 12 | |
| Pelvics | Attributes |
| Position thoracic | |
| Spines 1 | |
| Soft-rays 5 - 5 |