Ecology Summary - Acanthurus tractus

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主要参考文献	Randall, J.E., 1967
附注	Inhabits shallow bottoms with coral or rocky formations (Ref. 13628); may be seen cropping all day long on algae (Ref. 33). Usually occurs in groups of five or more individuals. Mainly diurnal species. Feeds on algae. Herbivore (Ref. 33499, 57616). Feeding rate decreases with temperature more rapidly than the mean metabolic rate of teleost fishes (Ref. 59304). The spine on both sides of the caudal peduncle may inflict painful wounds (Ref. 5217). Also cleaned by Pomacanthus paru observed at the reefs of the Abrolhos Archipelago, off eastern Brazil (Ref. 40094). Preferred for sand and chlorophytes and avoided phaeophytes (Ref. 55789). Predominantly inhabits forereefs (Ref. 128694).

主要参考文献

Randall, J.E., 1967

附注

Inhabits shallow bottoms with coral or rocky formations (Ref. 13628); may be seen cropping all day long on algae (Ref. 33). Usually occurs in groups of five or more individuals. Mainly diurnal species. Feeds on algae. Herbivore (Ref. 33499, 57616). Feeding rate decreases with temperature more rapidly than the mean metabolic rate of teleost fishes (Ref. 59304). The spine on both sides of the caudal peduncle may inflict painful wounds (Ref. 5217). Also cleaned by Pomacanthus paru observed at the reefs of the Abrolhos Archipelago, off eastern Brazil (Ref. 40094). Preferred for sand and chlorophytes and avoided phaeophytes (Ref. 55789). Predominantly inhabits forereefs (Ref. 128694).

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	河口/泻湖/半咸淡水海洋 mangroves marshes/swamps	rivers/streams lakes/ponds 洞专门地

Highighted items on the list are where Acanthurus tractus may be found.

Habitat

Substrate	: rocky;
Substrate Ref.
Special habitats	Beds: algae/seaweed; Coral Reefs: reef slope/drop-offs;
Special habitats Ref.	Harper, L.M., J.S. Lefcheck, R. Whippo, M.S. Jones, Z. Foltz and J.E. Duffy, 2022

Associations

参考文献
Associations
Associated with	Cleaned by Thalassoma noronhanum observed at Fernando de Noronha Archipelago off northeastern Brazil (Ref. 36301).
Association remarks
Parasitism

进食

摄取食物的类型	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Randall, J.E., 1967
摄取食物的习惯	grazing on aquatic plants
Feeding habit Ref.	Clavijo, I.E., 1974

Trophic Level(s)

Estimation method	最初的样本		不捕获族群		附注
Estimation method	Troph	s.e.	Troph	s.e.	附注
从食物内容	2.00	0.00	2.00	0.00	Troph of juv./adults from 1 study.
从个别的食物项目	2.00	0.00			Trophic level and s.e. inferred from exclusive plant/detritus food items.
参考文献	Randall, J.E., 1967

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