Ecology Summary - Petrarca okadai

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Ecology of Petrarca okadai

Main Ref.	Grygier, M.J., 1981
Remarks

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 Petrarca okadai may be found.

Habitat

Substrate	Benthic;
Substrate Ref.	Grygier, M.J., 1981
Special habitats	Other habitats: other invertebrates (Occupying small, linked cavities in the corallum of the solitary dendrophyliid coral Heteropsammia michelina.);
Special habitats Ref.	Grygier, M.J., 1981

Associations

Ref.	Grygier, M.J., 1981
Associations
Associated with	Heteropsammia michelina.
Association remarks
Parasitism	inside host (Occupying small, linked cavities in the corallum of the solitary dendrophyliid coral.)

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.