Ecology of Clarias ngamensis
 
Main Ref. Teugels, G.G., 1986
Distribution
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
Marine - Oceanic
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
Brackishwater
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
Freshwater
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Clarias ngamensis may be found.
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).

Substrate

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)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 4.30 0.46 4.14 0.68 Troph of juv./adults from 1 study.
Ref. Winemiller, K.O. and L.C. Kelso-Winemiller, 1996
From individual food items 3.16 0.46 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Binohlan, Crispina B. on 02.15.91
Modified by Sta. Iglesia, Drina on 05.10.01
Checked by Miranda, Lilibeth on 05.10.01
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