Ecology of Oreochromis variabilis
 
Main Ref. Trewavas, E., 1983
Remarks Present to 13 meters in Lake Victoria. The species is also noted for entering rivers from the lakes. Between 8 and 17 cm they move about in schools; schooling is less marked after reaching 17 cm. (See also Ref. 3736)

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 Oreochromis variabilis may be found.

Habitat

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. Trewavas, E., 1983
Feeding habit grazing on aquatic plants
Feeding habit Ref.
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 2.00 0.00 Trophic level and s.e. inferred from exclusive plant/detritus food items.
Ref.
(e.g. 346)
(e.g. oophagy)
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