Ecology Summary - Astropecten irregularis

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Ecology of Astropecten irregularis

Main Ref.	Alves, F., L. Chicharo, A. Nogueira and J. Regala, 2003
Remarks	Occurs in fine sand and silt substrate at depths between 50 to 200 m (Ref. 96391). Epibenthic (Ref. 87524) and free-living (Refs. 3123, 96391).

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 Astropecten irregularis may be found.

Habitat

Substrate	Benthic: mobile; Soft Bottom: sand ( fine, ); silt;
Substrate Ref.	Callaway, R., J. Alsvag, I. de Boois, J. Cotter, A. Ford, H. Hinz, S. Jennings, I. Kroncke, J. Lancaster, G. Piet, P. Prince and S. Ehrich, 2002
Special habitats
Special habitats Ref.

Associations

Ref.	Alves, F., L. Chicharo, A. Nogueira and J. Regala, 2003
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Carlier, A., P. Riera, J.-M. Amouroux, J.-Y. Bodiou and A. Grémare, 2007
Feeding habit	browsing on substrate
Feeding habit Ref.	Carlier, A., P. Riera, J.-M. Amouroux, J.-Y. Bodiou and A. Grémare, 2007

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.