Ecology of Tridacna derasa
Main Ref. Bernard, F.R., Y.Y. Cai and B. Morton, 1993
Remarks Found in intertidal areas on corals (Ref. 75831), mainly on reef flats, barrier reefs, fore reefs and atoll lagoons (Ref. 117184). Common in shallow waters wherein juveniles are byssally attached to the tops and sides of coral outcrops. Adults are thought to detach their byssus and settle in clear ocean conditions at 20 m depth (Ref. 101207).

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 derasa may be found.


Substrate Benthic: sessile;
Substrate Ref. Licuanan, S., 2050
Special habitats Coral Reefs: reef flats;
Special habitats Ref.


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


Feeding type
Feeding type Ref.
Feeding habit filtering plankton
Feeding habit Ref. Klumpp, D.W. and J.S. Lucas, 1994

Trophic Level(s)

Estimation method original sample unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items
(e.g. 9948)
(e.g. cnidaria)
Entered by Sorongon-Yap, Patricia on 03.09.06
Modified by Sorongon-Yap, Patricia on 02.21.18
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