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Ecología de Oreochromis andersonii
 
Referencia principal Trewavas, E., 1983
Observaciones Occurs in both river and swamp habitats (Refs. 2, 6465). Hardy, tolerating fresh and brackish water (up to 20ppt, Ref. 3), preferring slow-flowing or standing water (Refs. 7248, 12524, 13337, 52193) with some weed cover (Refs. 12524, 13337). Adults occupy deep open waters (Refs. 7248, 12524, 13337, 52193), juveniles remain inshore among vegetation (Refs. 7248, 52193). Hippo pools are a favoured retreat (Refs. 12524, 13337). Forms schools (Refs. 2, 12524, 13337). Mainly diurnal; a detritivore which feeds on fine particulate matter (Ref. 2), including algae (Refs. 246, 12524, 13337, 53992), diatoms, detritus (Ref. 7248, 52193, 53992) and zooplankton (Refs. 7248, 52193). Larger individuals also take insects and other invertebrates (Ref. 53992). Feeding regime is variable, the diet changes according to food availability (Ref. 6465).

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
  • Estuarios/lagunas/mares salobres
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • Cuevas
  • exclusivamente
Highighted items on the list are where Oreochromis andersonii may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Referencia
Associations
Associated with
Association remarks
Parasitism

Alimentación

Tipo De Alimentación mainly plants/detritus (troph. 2-2.19)
Feeding type Ref. Trewavas, E., 1983
Hábito De Alimentación sucking food-containing material
Feeding habit Ref. Trewavas, E., 1983
Trophic Level(s)
Estimation method Muestra original Población no pescada Observación
Troph s.e. Troph s.e.
De la composición de la dieta 2.05 0.04 Troph of adults from 4 studies.
De tipos individuales de alimento 2.39 0.19 Trophic level estimated from a number of food items using a randomized resampling routine.
Referencia Kelley, D.W., 1968
(por ej. 346)
(por ej. cnidaria)
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