Ecology of Acanthurus nigricauda
 
Main Ref. Thresher, R.E. and P.L. Colin, 1986
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 Acanthurus nigricauda may be found.
Remarks Occurs in clear lagoon and seaward reefs around isolated coral heads. Prefers sandy bottoms of bays and lagoons rather than the coral reefs like most other Acanthuridae. Herbivorous (Ref. 43650). Stomach is muscular and gizzard-like. Principal food items are benthic sediments and filamentous microalgae (Ref. 5543).

Substrate

Substrate Soft Bottom: sand;: rocky;
Substrate Ref. Broad, G., 2003
Special habitats Beds: sea grass; Coral Reefs: lagoons;
Special habitats Ref. Nguyen, N.T. and V.Q. Nguyen, 2006

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type plants/detritus+animals (troph. 2.2-2.79)
Feeding type ref Thresher, R.E. and P.L. Colin, 1986
Feeding habit grazing on aquatic plants
Feeding habit ref Dalzell, P., 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 2.99 0.40 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 03.02.00
Modified by Pablico, Grace Tolentino on 05.22.08
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