Ecology Summary - Argonauta argo

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Ecology of Argonauta argo

Main Ref.	Hochberg, F.G. and Y.E. Camacho-García, 2009
Remarks	Epipelagic (Ref. 83938). Females use the shell to trap air, gathered at the sea surface, to attain neutral bouyancy (Ref. 96968). Few shells found washed up on beaches (Ref. 88739).

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 Argonauta argo may be found.

Habitat

Substrate	Pelagic;
Substrate Ref.	Hochberg, F.G. and Y.E. Camacho-García, 2009
Special habitats	Other habitats: other invertebrates (Refer to associations.);
Special habitats Ref.

Associations

Ref.	Roper, C.F.E., M.J. Sweeney and C.E. Nauen, 1984
Associations	symbiosis;
Associated with	gelatinous zooplankton (Ref. 98617).
Association remarks	The argonaut was observed to be grasping to the aboral surface of a scyphomedusa near the surface while feeding on its gastral cavity; the cnidarian may confer shelter, protection or camouflage against predators (Ref. 98617).
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.
Feeding habit	hunting macrofauna (predator)
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	4.50	0.10			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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