Ecology of Gymnocranius euanus
 
Main Ref. Carpenter, K.E. and G.R. Allen, 1989
Remarks Occurs over sand and rubble areas adjacent to rock and coral reefs. Feeds on bottom-dwelling gastropods. Also caught with bottom longlines and handlines (Ref. 9775).

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 Gymnocranius euanus may be found.

Habitat

Substrate Soft Bottom: sand; Hard Bottom: rocky;
Substrate Ref.
Special habitats Coral Reefs;
Special habitats Ref. Nguyen, N.T. and V.Q. Nguyen, 2006

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Carpenter, K.E. and G.R. Allen, 1989
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Carpenter, K.E. and G.R. Allen, 1989
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.80 3.26 0.30 Troph of adults from 1 study.
From individual food items 3.37 0.58 Tentative trophic level derived from 1 + troph of a single food item
Ref. Kulbicki, M., Y.-M. Bozec, P. Labrosse, Y. Letourneur, G. Mou-Tham and L. Wantiez, 2005
(e.g. 346)
(e.g. oophagy)
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