Ecology of Galaxias truttaceus
 
Main Ref. Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989
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.

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 Galaxias truttaceus may be found.

Habitat

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)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 2.85 0.45 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. cnidaria)
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