Ecology of Cyphomyrus discorhynchus
 
Main Ref. Gosse, J.-P., 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 Cyphomyrus discorhynchus may be found.
Remarks Nocturnal shoaling species; favors large river channels with a soft bottom and fringing vegetation (Ref. 7248). Found mainly in sheltered bays, lagoons and swampy areas. Occurs also in typical sandy/rocky rivers (Ref. 13337). Frequency of occurence in Caprivi: frequently on rocky streams, occasionally in standing deep water (Ref. 037065). Feeds on insect larvae at night. Known to migrate up tributary rivers of Lake Kariba during rainy season,though it is not yet clear whether this is a breeding migration (Ref. 13337). Breeds during the rainy season; females carry up to 5,000 eggs.

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 Konings, A., 1990
Feeding habit hunting macrofauna (predator)
Feeding habit ref Konings, A., 1990
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 3.20 0.40 Tentative trophic level derived from 1 + troph of a single food item
(e.g. 346)
(e.g. cnidaria)
Entered by Sta. Iglesia, Drina on 11.10.00
Modified by Sta. Iglesia, Drina on 03.05.01
Checked by Sta. Iglesia, Drina on 03.05.01
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