Ecology of Galaxias prognathus
 
Main Ref. Bonnett, M.L., R.M. Sagar and C.R. Docherty, 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 prognathus may be found.
Remarks Usually found in shallow, fast-flowing streams of the central South Island high country. It commonly reaches 60-70 mm in total length, with a maximum recorded length of 87 mm. Belong to a group of small, slender galaxiids which have a wholly freshwater life cycle.

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
Feeding habit hunting macrofauna (predator)
Feeding habit ref
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 3.13 0.41 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Miranda, Lilibeth on 05.17.01
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