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

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 Astyanax bimaculatus may be found.

Habitat

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)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 2.44 0.10 2.94 0.33 Troph of juv./adults from 1 study.
From individual food items 3.20 0.46 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Castro, R.M.C. and L. Casatti, 1997
(e.g. 9948)
(e.g. oophagy)
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