Ecology Summary - Neaxius acanthus

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Ecology of Neaxius acanthus

Main Ref.	CRUSTA, 2012
Remarks	Lives in pairs in excavated large burrows in the sediment of tropical seagrass beds. Associated with amphipods, shrimps, bivalves, polychaetes and fishes. Observed to capture drifting seagrass leaves, which are then pulled and incorporated into its burrows. Isotopic signature implies seagrass as its primary food source (Ref. 98748).

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 Neaxius acanthus may be found.

Habitat

Substrate	Benthic: mobile; Soft Bottom Hard Bottom;
Substrate Ref.	CRUSTA, 2012
Special habitats	Beds: sea grass; Other habitats: burrows;
Special habitats Ref.	Kneer, D., H. Asmus and J.A. Vonk, 2008

Associations

Ref.	Kneer, D., H. Asmus and J.A. Vonk, 2008
Associations	symbiosis; commensalism;
Associated with	Barrimysia cumingii (bivalve); gammarid amphipods; Austrolethops wardi (goby); palaemonid shrimp; tube-building polychaetes.
Association remarks	Commensal Barrimysia cumingii and one epibiont tube-building polychaete.
Parasitism

feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Kneer, D., H. Asmus and J.A. Vonk, 2008
Feeding habit
Feeding habit Ref.

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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