Ecology of Gymnocranius grandoculis
 
Main Ref. Carpenter, K.E. and G.R. Allen, 1989
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 Gymnocranius grandoculis may be found.
Remarks Inhabit offshore reefs (Ref. 9710), trawling grounds of the continental shelves and offshore rocky bottoms (Ref. 30573). Juveniles inshore on muddy substrates (Ref. 48635). Feed mostly on bottom invertebrates and small fishes (Ref. 30573).

Substrate

Substrate Soft Bottom: sand; Hard Bottom: rocky;
Substrate Ref. Broad, G., 2003
Special habitats Coral Reefs;
Special habitats Ref. Letourneur, Y., P. Chabanet, P. Durville, M. Taquet, E. Teissier, M. Parmentier, J.-C. Quéro and K. Pothin, 2004

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)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 3.76 3.38 0.42 Troph of adults from 1 study.
Ref. Kulbicki, M., Y.-M. Bozec, P. Labrosse, Y. Letourneur, G. Mou-Tham and L. Wantiez, 2005
From individual food items 3.98 0.63 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 06.24.93
Modified by Ortañez, Auda Kareen on 12.03.08
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