Ecology of Opsaridium zambezense
 
Main Ref. Lévêque, C. and J. Daget, 1984
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.

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 Opsaridium zambezense may be found.

Habitat

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)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.38 0.48 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. oophagy)
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