Ecology Summary - Onisimus affinis

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Ecology of Onisimus affinis

Main Ref.	Vadera, W., J.R. Johnsena and J. Bergeb, 2005
Remarks	Intertidal; occasionally recorded from deeper waters. Found in slightly brackish water. Benthic detritivore. Large numbers congregate at ice-water interface during winter.

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 Onisimus affinis may be found.

Habitat

Substrate	Benthic;
Substrate Ref.	Vadera, W., J.R. Johnsena and J. Bergeb, 2005
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Vadera, W., J.R. Johnsena and J. Bergeb, 2005
Feeding habit
Feeding habit Ref.

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.