Ecology Summary - Gonatus onyx

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Ecology of Gonatus onyx

Main Ref.	Turgeon, D.D., J.F. Quinn Jr., A.E. Bogan, E.V. Coan, F.G. Hochberg, W.G. Lyons, P.M. Mikkelsen, R.J. Neves, C.F.E. Roper, G. Rosenberg, B. Roth, A. Scheltema, F.G. Thompson, M. Vecchione and J.D. Willams, 1998
Remarks	Exhibits cannibalism. Prey items indicate a mesopelagic distribution (Ref. 128988).

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 Gonatus onyx may be found.

Habitat

Substrate	Pelagic;
Substrate Ref.	Hoving, H.J.T. and B.H. Robison, 2016
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type
Feeding type Ref.
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	4.32	0.65			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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