Ecology Summary - Oxymonacanthus longirostris

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Main Ref.	Sano, M., M. Shimizu and Y. Nose, 1984
Remarks	Occurs in clear lagoon and seaward reefs from 0.5 to at least 30 m. Found in pairs or small groups and nests near bases of dead corals, often on clumps of algae. Monogamous (Ref. 52884, 48637). Feeds exclusively on Acropora polyps and is therefore restricted to areas of abundant coral growth. Feeding takes place throughout the day becoming less towards the evening (Ref. 46144). Pairs are commonly encountered among branching or "tabletop" corals (Ref. 54301). Tend to have protruding snout and teeth that project from small mouth which permit them to snip off scleractinian coral polyps despite the surrounding calcareous armor (Ref. 59308).

Main Ref.

Sano, M., M. Shimizu and Y. Nose, 1984

Remarks

Occurs in clear lagoon and seaward reefs from 0.5 to at least 30 m. Found in pairs or small groups and nests near bases of dead corals, often on clumps of algae. Monogamous (Ref. 52884, 48637). Feeds exclusively on Acropora polyps and is therefore restricted to areas of abundant coral growth. Feeding takes place throughout the day becoming less towards the evening (Ref. 46144). Pairs are commonly encountered among branching or "tabletop" corals (Ref. 54301). Tend to have protruding snout and teeth that project from small mouth which permit them to snip off scleractinian coral polyps despite the surrounding calcareous armor (Ref. 59308).

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 Oxymonacanthus longirostris may be found.

Habitat

Substrate
Substrate Ref.
Special habitats	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 animals (troph. 2.8 and up)
Feeding type Ref.	Sano, M., M. Shimizu and Y. Nose, 1984
Feeding habit	hunting macrofauna (predator)
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	3.27	0.58	3.21	0.46	Troph of juv./adults from 1 study.
From individual food items	3.34	0.61			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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