Ecology of Astyanax bimaculatus
 
Main Ref. Castro, R.M.C. and L. Casatti, 1997
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 Astyanax bimaculatus may be found.
Remarks Opportunistic species attracted by the feeding activities of other fishes, especially those which disturb the substrate (Ref. 40396).

Substrate

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly plants/detritus (troph. 2-2.19)
Feeding type ref Castro, R.M.C. and L. Casatti, 1997
Feeding habit variable
Feeding habit ref Castro, R.M.C. and L. Casatti, 1997
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 2.44 0.10 2.94 0.33 Troph of juv./adults from 1 study.
Ref. Castro, R.M.C. and L. Casatti, 1997
From individual food items 3.20 0.46 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sa-a, Pascualita on 05.18.99
Modified by Miranda, Lilibeth on 10.20.04
Checked by Miranda, Lilibeth on 11.08.01
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