Ecology Summary - Glaucosoma scapulare

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Main Ref.	McKay, R.J., 1997
Remarks	Reported to move into shallow offshore waters during the day, usually adjacent to rock faces, gutters and terraces of bomboras and islands (Ref. 27621). They seem to prefer places of high water movement in shallow waters, yet seeks the protection of isolated reefs in gutters and channels when observed by divers in deeper waters (Ref. 27621). They tend to stay in one area for up to six months, and although individuals are observed, most are seen in small groups or schools (Ref. 4969). This species is stated to be a midwater feeder moving well up from the bottom in a shoal to take a bait during the night until about 10 pm (Ref. 6872). Most fish are taken on the bottom during the day (Ref. 27621).

Main Ref.

McKay, R.J., 1997

Remarks

Reported to move into shallow offshore waters during the day, usually adjacent to rock faces, gutters and terraces of bomboras and islands (Ref. 27621). They seem to prefer places of high water movement in shallow waters, yet seeks the protection of isolated reefs in gutters and channels when observed by divers in deeper waters (Ref. 27621). They tend to stay in one area for up to six months, and although individuals are observed, most are seen in small groups or schools (Ref. 4969). This species is stated to be a midwater feeder moving well up from the bottom in a shoal to take a bait during the night until about 10 pm (Ref. 6872). Most fish are taken on the bottom during the day (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 scapulare may be found.

Habitat

Substrate	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.
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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