Ecology Summary - Trisidos semitorta

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Ecology of Trisidos semitorta

Main Ref.	Poutiers, J.M., 1998
Remarks	Half-buried in sand and gravel bottoms under the influence of currents, with the twisted posterior end of shell lying horizontally on the surface. The posterior surface of the left valve, which slightly projects above the sand surface, is often extensively eroded or damaged and colonized by other sessile organisms. Juvenile specimens are byssally attached inside empty shells of the species and other bivalves, to ensure protection against predators and water movement.

Main Ref.

Poutiers, J.M., 1998

Remarks

Half-buried in sand and gravel bottoms under the influence of currents, with the twisted posterior end of shell lying horizontally on the surface. The posterior surface of the left valve, which slightly projects above the sand surface, is often extensively eroded or damaged and colonized by other sessile organisms. Juvenile specimens are byssally attached inside empty shells of the species and other bivalves, to ensure protection against predators and water movement.

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 Trisidos semitorta may be found.

Habitat

Substrate	Benthic: mobile; Soft Bottom: sand; Hard Bottom: rocky;
Substrate Ref.	Springsteen, F.J. and F.M. Leobrera, 1986
Special habitats
Special habitats Ref.

Associations

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

feeding

Feeding type
Feeding type Ref.
Feeding habit	filtering plankton
Feeding habit Ref.	Kangas, M.I., S. Morrison, P. Unsworth, E. Lai, I. Wright and A. Thomson, 2006

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
Ref.

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