Ecology Summary - Osmerus eperlanus

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Main Ref.	Muus, B.J. and P. Dahlström, 1967
Remarks	A midwater species, rarely far from shore, primarily anadromous in the west and lacustrine in the east; shoaling at least during spawning season (Ref. 4545). The essential part of his life is spend in the estuarine zone, with just short incursions in the littoral zone (Ref. 51442). The migratory form is grouping together in the estuarine zone for reproduction (Ref. 51442). Prefers cold and deep lakes and also moving waters (Ref. 682). Sedentary resident stocks exists in some lakes; those found in coastal and estuarine areas are migratory stocks (Ref. 682). Feeds on zooplankton (Ref. 13488, 42777), mainly little fishes and crustaceans (Ref. 51442).

Main Ref.

Muus, B.J. and P. Dahlström, 1967

Remarks

A midwater species, rarely far from shore, primarily anadromous in the west and lacustrine in the east; shoaling at least during spawning season (Ref. 4545). The essential part of his life is spend in the estuarine zone, with just short incursions in the littoral zone (Ref. 51442). The migratory form is grouping together in the estuarine zone for reproduction (Ref. 51442). Prefers cold and deep lakes and also moving waters (Ref. 682). Sedentary resident stocks exists in some lakes; those found in coastal and estuarine areas are migratory stocks (Ref. 682). Feeds on zooplankton (Ref. 13488, 42777), mainly little fishes and crustaceans (Ref. 51442).

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 Osmerus eperlanus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Muus, B.J. and P. Dahlström, 1967
Feeding habit	selective plankton feeding
Feeding habit Ref.	Muus, B.J. and P. Dahlström, 1967

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	3.46	0.42			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Nosova, I.A., 1962

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