| Main Ref. | Kottelat, M. and J. Freyhof, 2007 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | always different morphology between mature adults |
| Different colors | |
| Remarks | Males are smaller than females (Ref. 59043). |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Body relatively high, head small, eyes placed in anterior part. Unusual color pattern, consists of small dark-gray dots, throughout body and head. Mouth slightly arched with three pairs of long barbels. Lips finely furrowed. Mental lobes developed, with pointed tips. Appears unique in its morphological features. Pigmentation (Gambetta's longitudinal zone of pigmentation): blotches of zone Z2 and Z4 very small, indistinct or confluent; flank pigmented below zone Z4. One lamina circularis (Ref. 59043). |
| 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 | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 3 - 3 |
| Soft-rays total | 6 - 6 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 5 - 5 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 9 - 9 | |
| Pelvics | Attributes |
| Position abdominal | |
| Spines 1 | |
| Soft-rays 5 - 5 |