Ecology of Naso unicornis
 
Main Ref. Tinker, S.W., 1978
Remarks Inhabits channels, moats, lagoon and seaward reefs with strong surge. Typically occurring in small groups. Juveniles in shallow protected bays and harbours (Ref. 48637). Mainly diurnal. Feeds on coarse leafy brown algae like Sargassum. Large adults sometimes solitary at edge of reef (Ref. 3921).

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 Naso unicornis may be found.

Habitat

Substrate : 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: 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 mainly plants/detritus (troph. 2-2.19)
Feeding type Ref. Randall, J.E., 1985
Feeding habit browsing on substrate
Feeding habit Ref. Choat, J.H., K.D. Clements and W.D. Robbins, 2002
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 2.17 0.11 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. oophagy)
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