Ecology Summary - Hemiarthrum setulosum

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Ecology of Hemiarthrum setulosum

Main Ref.	Kaas, P. and R.A. van Belle, 1985
Remarks	This is an epibiotic species, found on hard substrata including holdfasts of Macrocystis, cobbles encrusted with calcareous red algae and in mussel beds; it is a brooding species that feeds on red and green algae. It is highly sensitive to desiccation and intolerant to high salinities (Ref. 87801).

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 Hemiarthrum setulosum may be found.

Habitat

Substrate	Benthic: demersal; Hard Bottom;
Substrate Ref.	Häussermann, V. and G. Försterra, 2009
Special habitats
Special habitats Ref.

Associations

Ref.	Kaas, P. and R.A. van Belle, 1985
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Häussermann, V. and G. Försterra, 2009
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	2.00	0.00			Trophic level and s.e. inferred from exclusive plant/detritus food items.
Ref.

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