Ecology Summary - Aulacomya atra

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Ecology Summary - Aulacomya atra

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Ecology of Aulacomya atra

Main Ref.	Ríos, C. and E. Mutschke, 1999
Remarks	Found in shallow subtidal benthic communities of two islands in Saldanha Bay (Ref. 78353) and dominated the sessile fauna of Robben Island at depths beyond 17 m (Ref. 78192). Found attached to rocky substrates, associated with holdfasts of juvenile brown algae, and may occasionally reach greater depths; may be found isolated in intertidal or forming large banks in eulittoral (Ref. 87801). It is also found in forests of Macrocystis pyrifera (Ref. 92889).

Main Ref.

Ríos, C. and E. Mutschke, 1999

Remarks

Found in shallow subtidal benthic communities of two islands in Saldanha Bay (Ref. 78353) and dominated the sessile fauna of Robben Island at depths beyond 17 m (Ref. 78192). Found attached to rocky substrates, associated with holdfasts of juvenile brown algae, and may occasionally reach greater depths; may be found isolated in intertidal or forming large banks in eulittoral (Ref. 87801). It is also found in forests of Macrocystis pyrifera (Ref. 92889).

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 Aulacomya atra may be found.

Habitat

Substrate	Benthic: sessile;: sand; Hard Bottom: rocky;
Substrate Ref.	Ríos, C. and E. Mutschke, 1999
Special habitats	Beds: algae/seaweed; bivalve;
Special habitats Ref.	Barkai, A. and G.M. Branch, 1989

Associations

Ref.	Lovrich, G.A. and J.H. Vinuesa, 1993
Associations	symbiosis; epiphytic;
Associated with	Paralomis granulosa and Lessonia trabeculata .
Association remarks	Smaller individuals, about 4-6 mm in length, are epibionts of the false southern king crab Paralomis granulosa (Ref. 78423). Found in Lessonia trabeculata kelp beds (Ref. 92519).
Parasitism

feeding

Feeding type
Feeding type Ref.
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.

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