Known only from the rapids of the Congo River where it appears most adapted. Among its adaptations are the reduce diameter of the eyes; the dorso-laterally flattened shape of the head, the very large lips which are apparently adapted for suction; the latero-ventral arrangement and form of the paired fins which is largely extended and compressed ; and the blue or bluish coloration .
Dorsal soft rays (total): 9 - 10; Vertebrae: 34 - 36. Lips with transverse plicae on inner surface; snout very prominent, ending in a big fleshy upwards turned transverse appendix; eyes extremely small, generally in dorsal position. Can be distinguished from L. nasus by its smaller eyes and higher vertebral and scale counts .
Behavioural data for Labeo Sorex is currently being reviewed.
Freshwater; benthopelagic. Tropical; 5°N - 10°S found in rapids (Ref.
The following diseases are known to affect Labeo Sorex.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
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