Ecology Summary - Amphioctopus marginatus

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Ecology of Amphioctopus marginatus

Main Ref.	Norman, M.D. and C.C. Lu, 2000
Remarks	Found from shallow subtidal to at least 190 meters. Known from coastal muddy waters on mud and substrates. Feeds on crustaceans like crabs Calappa, and bivalves. It makes dens in clamshells, coconut shells, bottles and other man-made discarded objects in sand and mud. It will carry one mollusc shell or half a coconut shell while searching for another shell in which to enclose itself (Ref. 96968).

Main Ref.

Norman, M.D. and C.C. Lu, 2000

Remarks

Found from shallow subtidal to at least 190 meters. Known from coastal muddy waters on mud and substrates. Feeds on crustaceans like crabs Calappa, and bivalves. It makes dens in clamshells, coconut shells, bottles and other man-made discarded objects in sand and mud. It will carry one mollusc shell or half a coconut shell while searching for another shell in which to enclose itself (Ref. 96968).

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 Amphioctopus marginatus may be found.

Habitat

Substrate	Benthic; Soft Bottom: sand; mud;
Substrate Ref.	Jereb, P., C.F.E. Roper, M.D. Norman and J.K. Finn, 2014
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Jereb, P., C.F.E. Roper, M.D. Norman and J.K. Finn, 2014
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Jereb, P., C.F.E. Roper, M.D. Norman and J.K. Finn, 2014

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	3.36	0.42			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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