| Main Ref. | Anderson, W.D. Jr., 2006 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Exhibits sexual dimorphism in the development of some of the anterior soft rays in the dorsal fin. A female measuring 24.4 cm SL has anterior dorsal soft rays much less elongated (second >27% SL, third >32.7% SL vs. third 56.8% SL, fourth ca. 62% SL in a male measuring 30.1 cm SL). |
| 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 | ctenoid scales |
| Diagnosis |
Differs from all other congeners by its lips mostly covered with very small scales, upper lip lacking rugosities, lower lip with rugosities along dorsal part; and maxilla almost squared off poteriorly where dorsal and posterior boarders of maxilla forming a right angle (Ref. 78426). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 9 - 9 |
| Scale rows below lateral line | 26 - 26 |
| Scales around caudal peduncle | 25 - 26 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 24 - 25 |
| on upper limb | 11 - 12 |
| total | |
| Vertebrae | |
| preanal | 10 - 10 |
| total | 26 - 26 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 10 - 10 |
| Soft-rays total | 17 - 18 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | 3 - 3 |
| Soft-rays total | 8 - 8 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 16 - 17 | |
| Pelvics | Attributes |
| Position thoracic | |
| Spines 1 | |
| Soft-rays 5 - 5 |