Ecology Summary - Halisarca dujardinii

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Ecology of Halisarca dujardinii

Main Ref.	Dahl, L., 2002
Remarks	This is an epibenthic species (Ref. 95730). Usually found at depths 1-20, but also from the upper littoral to 300 m. Found on algal species Fucus vesiculosus, F. serratus, Ascophyllum nodosum and Laminaria saccharina, under and on stones and boulders, in empty shells of lamellibranchs, on carapaces of crabs, at the base of gorgonians, and on the ascidian Styela rustica (Ref. 123732).

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 Halisarca dujardinii may be found.

Habitat

Substrate	Benthic: sessile; Hard Bottom;
Substrate Ref.	Zettler, M.L. and F. Gosselck, 2006
Special habitats	Beds: algae/seaweed; rock; Coral Reefs; Other habitats: other invertebrates
Special habitats Ref.	Zettler, M.L. and F. Gosselck, 2006

Associations

Ref.	Dahl, L., 2002
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Ruppert, E.E., R.S. Fox and R.D. Barnes, 2004
Feeding habit	filtering plankton
Feeding habit Ref.	Ruppert, E.E., R.S. Fox and R.D. Barnes, 2004

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.