Ecology of Thyrsites atun
 
Main Ref. O'Driscoll, R.L., 1998
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 Thyrsites atun may be found.
Remarks This fish is a facultative schooling species (Ref. 26865). Schools are most common in surface waters of the continental shelf in 13°C and 18°C. (Ref. 6390). In Australia and New Zealand, juveniles inhabit sheltered waters of southern bays and estuaries (Ref. 26998, 27128). The migration patterns in Australian barracouta are complex. Some stocks undertake annual migrations lasting 6-9 months that cover several hundred kilometers (Ref. 28893). The migrations appear to be related to water temperature or food availability, or a combination of both factors (Ref. 6390). Barracouta also move through the water column from depths of 200 m to the surface, where they are usually caught at dawn and at dusk (Ref. 28893).

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 O'Driscoll, R.L., 1998
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 3.63 0.26 3.72 0.58 Troph of adults from 3 studies.
Ref. O'Driscoll, R.L., 1998
From individual food items 4.19 0.68 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 06.30.98
Modified by Pablico, Grace Tolentino on 09.13.04
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