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Ecology of Oreochromis niloticus
 
Main Ref. Philippart, J.-C. and J.-C. Ruwet, 1982
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 Oreochromis niloticus may be found.
Remarks Inhabit the littoral zone of lakes and are abundant in Lakes Turkana (Rudolf) and Albert. Although a freshwater species they are also found in brackish water like in the Nile Delta. The area occupied by the species extends from 8° S to 32° N and from 6000 ft (1830 m) to sea level. O. niloticus of Lake Edward form very large schools of 100 sq.m or more at the lake surface when feeding. The species takes epiphytic algae, diatoms or plankton according to conditions. (See also Ref. 3736).

Substrate

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly plants/detritus (troph. 2-2.19)
Feeding type ref Getachew, T. and C.H. Fernando, 1989
Feeding habit browsing on substrate
Feeding habit ref
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 2.00 2.00 0.00 Troph of adults from 1 study.
Ref. Getachew, T. and C.H. Fernando, 1989
From individual food items 2.02 0.00 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Acosta, Belen on 10.19.90
Modified by Pablico, Grace Tolentino on 03.24.11
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