Ecology Summary - Oerstedia dorsalis

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Ecology of Oerstedia dorsalis

Main Ref.	Iwata, F., 1954
Remarks	Found among algae or hydroid Eudendrium annulatum near the low tide mark (Ref. 907). Also found on wharves with bryozoa, ascidians and barnacles. Feeds on amphipods (Ref. 966).

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 Oerstedia dorsalis may be found.

Habitat

Substrate	Benthic; Hard Bottom: rubble;
Substrate Ref.	Norenburg, J.L., 2009
Special habitats
Special habitats Ref.

Associations

Ref.	Iwata, F., 1954
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.
Feeding habit	filtering plankton
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	3.29	0.53			Tentative trophic level derived from 1 + troph of a single food item
Ref.