Ecology Summary - Ferosagitta robusta

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Ecology of Ferosagitta robusta

Main Ref.	Pierrot-Bultz, A., 2004
Remarks	This is an epipelagic species (Refs. 83943, 116365). Chaetognaths are active carnivores, feeding mostly on copepods, crustacean larvae and other chaetognaths, and occasionally on forams and fish larvae (Ref. 81541).

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 Ferosagitta robusta may be found.

Habitat

Substrate	Pelagic;
Substrate Ref.	Suárez-Morales, E., R.M. Hernández-Flores and A. Morales-Ramírez, 2009
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Castro, P. and M.E. Huber, 2005
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Castro, P. and M.E. Huber, 2005

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	3.40	0.45			Tentative trophic level derived from 1 + troph of a single food item
Ref.

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