| Main Ref. | Vreven, E., A. Kimbembi ma Ibaka and S. Wamuini Lunkayilakio, 2011 |
| 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 |
Description: eyes not visible though present, deeply embedded in head, without lens and only a rudimentary retina and optical nerve; pigmentation absent and considered a true albino; lateral vein creates a vivid red band along lateral line; gills visible below operculum as a purplish region; intestinal region visible through abdomen (Ref. 86866). Populations from affluents of the Kokosi River (Kwilu system) with opercular guanine spot which may cover 1/3 of operculum, in addition to a few other guanine spots and marks; this spot is absent in all other populations (affluents of Fuma River); within one cave the population has a serrated dorsal spine, which was not found in all other populations examined by Heuts (1951) (Ref. 86866). |
| 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 | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | 1 |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |