Ecology of Acanthurus triostegus
 
Main Ref. Randall, J.E., 1956
Remarks Occur in lagoon and seaward reefs with hard substrate; young abundant in tide pools (Ref. 3145, 48637). Often feeding near freshwater run-offs where certain algae grow on rocks that are grazed (Ref. 48637). Feed on filamentous algae in large aggregations. Roving herbivore (Ref. 57615). Diurnal species (Ref. 113699:31), spawning takes place between midday and dusk (Ref. 717, 38697). Also Ref. 58534, 58652.

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 Acanthurus triostegus may be found.

Habitat

Substrate Hard Bottom: rocky;
Substrate Ref. Letourneur, Y., P. Chabanet, P. Durville, M. Taquet, E. Teissier, M. Parmentier, J.-C. Quéro and K. Pothin, 2004
Special habitats Beds: algae/seaweed; Coral Reefs: lagoons;
Special habitats Ref. Dominici-Arosemena, A. and M. Wolff, 2006

Associations

Ref.
Associations solitary; schooling;
Associated with
Association remarks Forms large schools, but also seen solitary or in small groups (Ref. 4887).
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Hiatt, R.W. and D.W. Strasburg, 1960
Feeding habit grazing on aquatic plants
Feeding habit Ref. Hiatt, R.W. and D.W. Strasburg, 1960
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 2.78 0.35 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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