Ecology Summary - Glaucosoma hebraicum

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Main Ref.	Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Remarks	Adults occur in coastal waters in moderate depths on the continental shelf, particularly close to deep submerged reefs or rough bottom (Ref. 27621). They occur in small schools or more commonly as individuals inshore (Ref. 27621). Juveniles tend to remain in shallower water than adults and are rarely found in waters more than 100 m deep (Ref. 27560). Westralian jewfish are territorial for most of the year, choosing a particular part of the reef (Ref. 27621). In shallow water it is not uncommon for a large fish to take residence in a cave or within a wreck and remain there for some years (Ref. 27621).

Main Ref.

Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993

Remarks

Adults occur in coastal waters in moderate depths on the continental shelf, particularly close to deep submerged reefs or rough bottom (Ref. 27621). They occur in small schools or more commonly as individuals inshore (Ref. 27621). Juveniles tend to remain in shallower water than adults and are rarely found in waters more than 100 m deep (Ref. 27560). Westralian jewfish are territorial for most of the year, choosing a particular part of the reef (Ref. 27621). In shallow water it is not uncommon for a large fish to take residence in a cave or within a wreck and remain there for some years (Ref. 27621).

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 Glaucosoma hebraicum may be found.

Habitat

Substrate	Benthic; Hard Bottom;
Substrate Ref.
Special habitats	Coral Reefs;
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Anonymous, 1992
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Anonymous, 1992

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	4.30	0.62			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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