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Ecology of Clarias ngamensis
 
Main Ref. Teugels, G.G., 1986
Remarks Inhabits swamps and river mouths. Frequency of occurence in Caprivi: frequently in sandy streams, common in standing deep water, abundant in shallow swamps (Ref. 037065). Feed mainly on fish as well as on detritus, plants and benthic invertebrates especially mollusks (Ref. 248, 12597). Uncommon in the Lake Nyasa basin (Ref. 4967).

Aquatic zones / Water bodies

Marine - Neritic Marine - Oceanic Brackishwater Freshwater
Marine zones / Brackish and freshwater bodies
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Clarias ngamensis may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Winemiller, K.O. and L.C. Kelso-Winemiller, 1996
Feeding habit variable
Feeding habit Ref. Teugels, G.G., 1986
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 4.30 0.46 4.14 0.68 Troph of juv./adults from 1 study.
From individual food items 3.16 0.46 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Winemiller, K.O. and L.C. Kelso-Winemiller, 1996
(e.g. 346)
(e.g. cnidaria)
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