Ecology Summary - Siganus corallinus

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Main Ref.	Woodland, D.J., 1990
Remarks	Smallest juveniles (up to 25 mm SL) live in schools of about 20, often in seagrass beds, feeding on 'aufwuchs' on fronds; at 50 mm SL they live in schools among branching corals in waters about 2 m deep, grazing on finer benthic algae (often form mixed feeding schools with siganids & scarids); at about 60 mm SL, pair bonds begin to form which are partly nomadic & may join large schools which migrate to feed in areas flooded by the tide; by 15 cm SL, pairs are sedentary, living among corals in deeper waters (about 6 m) such as lagoons & drop-off faces at edges of reefs, with coarser benthic algae as their diet. Feeding in crevices facilitated by slightly tubular snout (Ref. 1419). Also Ref. 58534.

Main Ref.

Woodland, D.J., 1990

Remarks

Smallest juveniles (up to 25 mm SL) live in schools of about 20, often in seagrass beds, feeding on 'aufwuchs' on fronds; at 50 mm SL they live in schools among branching corals in waters about 2 m deep, grazing on finer benthic algae (often form mixed feeding schools with siganids & scarids); at about 60 mm SL, pair bonds begin to form which are partly nomadic & may join large schools which migrate to feed in areas flooded by the tide; by 15 cm SL, pairs are sedentary, living among corals in deeper waters (about 6 m) such as lagoons & drop-off faces at edges of reefs, with coarser benthic algae as their diet. Feeding in crevices facilitated by slightly tubular snout (Ref. 1419). Also Ref. 58534.

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 corallinus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats	Beds: sea grass; Coral Reefs;
Special habitats Ref.	Broad, G., 2003

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Sano, M., M. Shimizu and Y. Nose, 1984
Feeding habit	browsing on substrate
Feeding habit Ref.	Sano, M., M. Shimizu and Y. Nose, 1984

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	2.00	0.00	2.00	0.00	Troph of juv./adults from 1 study.
From individual food items	2.46	0.23			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Sano, M., M. Shimizu and Y. Nose, 1984

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