Ecology Summary - Tridacna maxima

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Ecology of Tridacna maxima

Main Ref.	Bernard, F.R., Y.Y. Cai and B. Morton, 1993
Remarks	Found in coral reef flats in shallow areas (Ref. 799), reef areas of lagoons (Ref. 97298) and in intertidal areas (Ref. 75831). Mixotrophic - filter feeds and photosynthesizes via its zooxanthellae (Ref. 105208). Tridacnids derive their nutrition from uptake of dissolved matter through their epidermis and from their symbiotic zooanthella Symbiodinium microadriaticum (Ref. 107098).

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 maxima may be found.

Habitat

Substrate	Benthic: megabenthos;
Substrate Ref.	Bernard, F.R., Y.Y. Cai and B. Morton, 1993
Special habitats	Coral Reefs: reef flats; lagoons;
Special habitats Ref.	Pante, E., M. Adjeroud, P. Dustan, L. Penin and M. Schrimm, 2006

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.	Jantzen, C., C. Wild, M. El-Zibdah, H.A. Roa-Quiaoit, C. Haacke and C. Richter, 2008
Feeding habit	feeding on the prey of a host (commensal)
Feeding habit Ref.	Morton, B., 1990

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition
From individual food items	2.00	0.00			Tentative trophic level derived from 1 + troph of a single food item
Ref.

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