Ecology Summary - Doryteuthis pealeii

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Ecology of Doryteuthis pealeii

Main Ref.	Roper, C.F.E., M.J. Sweeney and C.E. Nauen, 1984
Remarks	This is a neritic species found on sandy bottoms and along the water column (Ref. 83938). On coastal surface, epipelagic (Ref. 110525). Spends winter at depths of 100 to 200 m (Ref. 843). Overwinter along the continental shelf in offshore canyons as far south as Cape Hatteras (Ref. 106883).

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 Doryteuthis pealeii may be found.

Habitat

Substrate	Benthic: mobile; demersal; Pelagic;
Substrate Ref.	Roper, C.F.E., M.J. Sweeney and C.E. Nauen, 1984
Special habitats
Special habitats Ref.

Associations

Ref.	Roper, C.F.E., M.J. Sweeney and C.E. Nauen, 1984
Associations
Associated with
Association remarks
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	3.41	0.41			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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