Ecology of Galaxias truttaceus
 
Main Ref. Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989
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 Galaxias truttaceus may be found.
Remarks Occurs in still or slow-flowing waters at low elevations close to the sea; most abundant along shore margins in rocky areas. The species has a marine juvenile stage, indicative of a diadromous life cycle. Feeds mainly on aquatic and terrestrial insects.

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 Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989
Feeding habit hunting macrofauna (predator)
Feeding habit ref Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 2.85 0.45 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sta. Iglesia, Drina on 12.22.00
Modified by OrtaƱez, Auda Kareen on 08.27.08
Checked by Sta. Iglesia, Drina on 06.27.01
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