Ecology of Priacanthus arenatus
 
Main Ref. Randall, J.E., 1967
Remarks Found on coral reefs and rocky bottoms (Ref. 3800). Forms small aggregations near the bottom (Ref. 10786). A nocturnal feeder (Ref. 5521). Feeds mainly on small fishes, crustaceans and polychaetes (Ref. 3800, 37413); planktonic and benthic organisms (Ref. 33, 26338). Most of its prey are larvae. Mobile invertebrate feeder (Ref. 126840).

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 Priacanthus arenatus may be found.

Habitat

Substrate Hard Bottom: rocky;
Substrate Ref.
Special habitats Coral Reefs; Other habitats: deep-water corals;
Special habitats Ref. Simon, T., H.T. Pinheiro, R.L. Moura, A. Carvalho-Filho, L.A. Rocha, A.S. Martins, E. Mazzei, R.B. Francini-Filho, G.M. Amado-Filho and J.-C. Joyeux, 2016

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Randall, J.E., 1967
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. da Silva Monteiro, V.M., 1998
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 4.04 4.01 0.22 Troph of adults from 1 study.
From individual food items 3.62 0.53 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
(e.g. 346)
(e.g. cnidaria)
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