Ecology of Opsaridium zambezense
 
Main Ref. Lévêque, C. and J. Daget, 1984
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 Opsaridium zambezense may be found.
Remarks Prefers clear, flowing waters of larger perennial rivers, frequenting pools below rocky rapids. Found also in quiet water with aquatic wed cover. Lives in shoals, usually in shallow water over sandy bottoms. Frequency of occurence in Caprivi: occasionally in sandy streams, occasionally on rocky streams (Ref. 037065). Feeds on aquatic larvae and insects, shrimps and small crustaceans.

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 Bell-Cross, G. and J.L. Minshull, 1988
Feeding habit hunting macrofauna (predator)
Feeding habit ref Bell-Cross, G. and J.L. Minshull, 1988
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 3.38 0.48 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sta. Iglesia, Drina on 12.20.00
Modified by Sta. Iglesia, Drina on 03.05.01
Checked by Sta. Iglesia, Drina on 03.05.01
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