Ecology Summary - Piscicola geometra

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Ecology of Piscicola geometra

Main Ref.	Norling, P. and N. Kautsky, 2008
Remarks	In the Baltic Sea, generally inhabits the marine region (Ref. 95752). Both infaunal and epifaunal on Zostera sp. eelgrass (Ref. 95819). Adults, when not attached to a host, is free living, possibly on and beneath stones and macrophytes (Ref. 95835). Semi-mobile; parasitic (Refs. 95728, 95752).

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 Piscicola geometra may be found.

Habitat

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

Associations

Ref.	Rost-Roszkowska, M.M., P. Swiatek, M. Kszuk, K. Glówczyk and A. Bielecki, 2012
Associations	parasitism; commensalism;
Associated with	Parasitic on: Salmo salar, Salmo trutta, Salvelinus alpinus, Abramis brama, Gobio gobio, Anguilla anguilla, Perca fluviatilis, Carassius gibelio, Cyprinus carpio (Ref. 95835) and Oreochromis niloticus (Ref. 95838). Commensal with: Zostera (Ref. 95752).
Association remarks	P. geometra uses its proboscis to penetrate a host's tissues and suck its blood (Ref. 95835). They are not obligatory parasites but may stay on their host for long periods of time (Ref. 95838).
Parasitism	outside host (body, gills and mouth.)

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Rost-Roszkowska, M.M., P. Swiatek, M. Kszuk, K. Glówczyk and A. Bielecki, 2012
Feeding habit	feeding on a host (parasite)
Feeding habit Ref.	Rost-Roszkowska, M.M., P. Swiatek, M. Kszuk, K. Glówczyk and A. Bielecki, 2012

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.

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