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Ecology of Gymnotus arapaima
 
Main Ref. Albert, J.S. and W.G.R. Crampton, 2001
Remarks Juveniles commonly collected in várzea floating meadows, adults in várzea flooded forest but rarely caught in floating meadows where they are presumed to spawn.

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 Gymnotus arapaima may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Acuan
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Albert, J.S. and W.G.R. Crampton, 2001
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Albert, J.S. and W.G.R. Crampton, 2001
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.20 0.40 Tentative trophic level derived from 1 + troph of a single food item
Acuan
(contoh 346)
(contoh cnidaria)
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