Ecology Summary - Todarodes sagittatus

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Ecology of Todarodes sagittatus

Main Ref.	Schneider, W., 1990
Remarks	Demersal, neritic (Ref. 112172). Occurs from the surface to a depth of 2500 m (Ref. 2614). Juveniles feed mainly on fishes while adults consume crustaceans (Ref. 112351). Migrates to offshore waters during winter; spawning is thought to occur in the continental slope (Ref. 2614).

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 Todarodes sagittatus may be found.

Habitat

Substrate	Benthic: demersal; Pelagic;
Substrate Ref.	Schneider, W., 1990
Special habitats
Special habitats Ref.

Associations

Ref.	Schneider, W., 1990
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Quetglas, A., F. Alemany, A. Carbonell, P. Merella and P. Sánchez, 1999
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Quetglas, A., F. Alemany, A. Carbonell, P. Merella and P. Sánchez, 1999

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	4.19	0.56			Troph of juv./adults.
From individual food items	4.40	0.92			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Rosas-Luis, R., R. Villanueva and P. Sánchez, 2014

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