Red List of South African Species

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Notes

Work in progress (Bloomer et al.) suggests that Chiloglanis do not migrate very much. An analysis of population structuring would be valuable to nature conservators when developing managements plans.

habitat_narrative

Freshwater (=Inland waters)

This is a instream species with adults ranging from 4.1 cm to 6.7 cm and occurs in rocky habitats in fast flowing streams and rivers, but typically inhabits deeper runs rather than rapids. The average flow velocity in the Crocodile River where this species occurs range from 0.35 m sec-1 to 1.16 m sec-1 with a depth ranging from 0.3 – 1.5 m and the river width ranging between 5 to 8 m (Kleynhans 1984). This species inhabit the interstitial spaces of lose rocks with a diameter ranging from 0.1 m to 0.5 m. They occur in relative low population densities together with several other fish species which include Common Mountain Catfish (Amphilius uranoscopus), Rosefin Barb (Enteromius argenteus) and Shortspine Suckermouth (Chiloglanis Pretoriae) (Kleynhans 1984). This species breeds in the summer from October to February and is classified as a partial spawner with total fecundity of between 250 and 300 ova. The precise spawning habitat has not been identified.

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