Ecology Summary - Cyanophthalma obscura

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Ecology of Cyanophthalma obscura

Main Ref.	Bonsdorff, E. and T.H. Pearson, 1999
Remarks	In the northern Baltic Sea, it is found in sand and in eelgrass beds (Refs. 95819, 95753). A slow-moving, infaunal predatory carnivore with limited swimming capability (Refs. 95728, 95752, 96470).

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 Cyanophthalma obscura may be found.

Habitat

Substrate	Benthic: mobile; endofauna (infauna); macrobenthos; Soft Bottom: sand;
Substrate Ref.	Bonsdorff, E. and T.H. Pearson, 1999
Special habitats	Beds: bivalve; sea grass;
Special habitats Ref.	Boström, C. and E. Bonsdorff, 1997

Associations

Ref.	Boström, C. and E. Bonsdorff, 1997
Associations	commensalism;
Associated with	Zostera marina, Mytilus sp.
Association remarks	An infaunal organism in eelgrass beds in the northern Baltic Sea (Ref. 95819). Also found in Mytilus patches and other mussel beds (Ref. 95728).
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Bonsdorff, E. and T.H. Pearson, 1999
Feeding habit	variable
Feeding habit Ref.	Bonsdorff, E. and T.H. Pearson, 1999

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.