| Main Ref. | Kleynhans, C.J., 1997 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | scales embedded or partly/completely absent |
| Diagnosis |
Description: Mouth is used as a sucking disc to hold its position in fast flowing waters; relative long barbels; mandibular teeth widely spaced, up to 8 (Ref. 52116, 52193). Dorsal fin with 1 spine and 6 soft rays; anal fin with 3 unbranched and 8 branched rays; caudal fin is emarginate (Ref. 52193). Gut length is less than standard length and the mandibular teeth are used to scrape invertebrates from stones (Ref. 52116). Colouration: Skin rough, with tiny white warts; brown with dark brown shadows, lateral line whitish; fins light yellow with black bands and a dark edge to the caudal (Ref. 52193). |
| 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 | 0 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 1 - 1 |
| Soft-rays total | 6 - 6 |
| Adipose fin | present |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 11 - 1 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays |