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Ecology Summary - Tridacna gigas
SeaLifeBase
Ecology of Tridacna gigas
 
Main Ref. Bernard, F.R., Y.Y. Cai and B. Morton, 1993
Remarks Facultative planktotroph. It has an established symbiotic relationship with a dinoflagellate algae (zooxanthellae) which allows them to survive. It ingests the algae at an early stage and the latter propagates in the gut (Ref. 100719).

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 Tridacna gigas may be found.

Habitat

Substrate Benthic; Soft Bottom: sand;
Substrate Ref. Isamu, T., 2008
Special habitats Coral Reefs;
Special habitats Ref.

Associations

Ref. Poutiers, J.M., 1998
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.
Feeding habit feeding on the prey of a host (commensal)
Feeding habit Ref.

Trophic Level(s)

Estimation method original sample unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 2.00 0.00 Trophic level and s.e. inferred from exclusive plant/detritus food items.
Ref.
(e.g. 9948)
(e.g. cnidaria)
Comments & Corrections
 
 
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