Ecology Summary - Siganus doliatus

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Main Ref.	Woodland, D.J., 1990
Remarks	Species is strongly corallophilic. Individuals no larger than 7 cm SL form pair bonds. These pairs sometimes form feeding groups of half a dozen or so in areas flooded by rising tides such as reef-edge crests. Often, they form mixed feeding schools with other scarids. By 15 cm SL, they may be found in depths of 3-4 m (in deeper parts of reef flats or lagoons or drop-offs); pair bonding observed to be strong & exclusive. The species' favorite habitat seems to be dense thickets of Acropora sp.

Main Ref.

Woodland, D.J., 1990

Remarks

Species is strongly corallophilic. Individuals no larger than 7 cm SL form pair bonds. These pairs sometimes form feeding groups of half a dozen or so in areas flooded by rising tides such as reef-edge crests. Often, they form mixed feeding schools with other scarids. By 15 cm SL, they may be found in depths of 3-4 m (in deeper parts of reef flats or lagoons or drop-offs); pair bonding observed to be strong & exclusive. The species' favorite habitat seems to be dense thickets of Acropora sp.

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 Siganus doliatus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats	Beds: sea grass; Coral Reefs;
Special habitats Ref.	Nguyen, N.T. and V.Q. Nguyen, 2006

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Woodland, D.J., 1990
Feeding habit	grazing on aquatic plants
Feeding habit Ref.	Woodland, D.J., 1990

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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