Ecology Summary - Jaera albifrons

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Ecology of Jaera albifrons

Main Ref.	Markowski, S., 1962
Remarks	It is an infaunal and epifaunal species on Zostera sp. (Ref. 95819). Also inhabits the brown alga Ascophyllum nodosum and epiphytes such as Ceramium nodulosum and Pilayella littoralis (Ref. 104685). Prefers silty substrates (Ref. 95753). Feeds on microalgae (Refs. 95728, 104685), fucoid tissue, and bacteria (Ref. 104685).

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 Jaera albifrons may be found.

Habitat

Substrate	Benthic: endofauna (infauna); macrobenthos; Soft Bottom: sand; silt;
Substrate Ref.	Boström, C. and E. Bonsdorff, 1997
Special habitats	Beds: algae/seaweed; sea grass;
Special habitats Ref.	Boström, C. and E. Bonsdorff, 1997

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Norling, P. and N. Kautsky, 2008
Feeding habit	grazing on aquatic plants
Feeding habit Ref.	Norling, P. and N. Kautsky, 2008

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	2.00	0.00			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.