Ecology Summary - Acanthurus tractus

Taal:

Hoofdreferentie	Randall, J.E., 1967
Opmerkingen	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).

Hoofdreferentie

Randall, J.E., 1967

Opmerkingen

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	Estuaria/Lagunes/Brak water mangroven moerassen	rivers/streams lakes/ponds Grotten Enkel in grotten

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

Habitat

Ondergrond	: rocky;
Substrate Ref.
Speciale 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

Associaties

Ref.
Associaties
Geassocieerd met	Cleaned by Thalassoma noronhanum observed at Fernando de Noronha Archipelago off northeastern Brazil (Ref. 36301).
Opmerkingen in verband met associaties
Parasitisme

Voeding

Voedingstype	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Randall, J.E., 1967
Voedingsgewoonte	grazing on aquatic plants
Feeding habit Ref.	Clavijo, I.E., 1974

Trophic Level(s)

Estimation method	Origineel staal		Onbeviste populatie		Opmerking
Estimation method	Troph	s.e.	Troph	s.e.	Opmerking
Op basis van dieetsamenstelling	2.00	0.00	2.00	0.00	Troph of juv./adults from 1 study.
Op basis van individuele voedselitems	2.00	0.00			Trophic level and s.e. inferred from exclusive plant/detritus food items.
Ref.	Randall, J.E., 1967

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