Ecology Summary - Pterosagitta draco

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Ecology of Pterosagitta draco

Main Ref.	Hansson, H.G., 1998
Remarks	Inhabits upper layers of all temperate and tropical oceanic waters (Ref. 2255). Epipelagic (Ref. 116362, 116365) and mesopelagic (Ref. 3682). Also in the outer continental shelf (Ref. 116105).

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 Pterosagitta draco may be found.

Habitat

Substrate	Pelagic;
Substrate Ref.	Rottman, M., 1978
Special habitats
Special habitats Ref.

Associations

Ref.	Hansson, H.G., 1998
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Huliselan, N.V., 2002
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Huliselan, N.V., 2002

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	3.00	0.00			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.