Ecology Summary - Asterias rubens

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Ecology of Asterias rubens

Main Ref.	Jennings, S., J. Lancaster, A. Woolmer and J. Cotter, 1999
Remarks	Epibenthic (Refs. 87524, 95730). Intertidal to subtidal (Ref. 80965). Found in exposed areas with sandy substrate. Predatory; feeds on the blue mussel, Mytilus edulis (Ref. 96377). A ubiquitous, free-living species (Ref. 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 Asterias rubens may be found.

Habitat

Substrate	Benthic: mobile; macrobenthos; Soft Bottom: sand ( fine, );
Substrate Ref.	Ellis, J.R., G. Burt and S.I. Rogers, 2007
Special habitats	Beds: bivalve; Other habitats: pilings;
Special habitats Ref.	Schröder, A., C. Orejas and T. Joschko, 2006

Associations

Ref.	Jennings, S., J. Lancaster, A. Woolmer and J. Cotter, 1999
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Schröder, A., C. Orejas and T. Joschko, 2006
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Schröder, A., C. Orejas and T. Joschko, 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	3.28	0.17			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.