Ecology Summary - Helicocranchia pfefferi

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Ecology of Helicocranchia pfefferi

Main Ref.	Collins, M.A., C. Yau, L. Allcock and M.H. Thurston, 2001
Remarks

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 Helicocranchia pfefferi may be found.

Habitat

Substrate	Pelagic;
Substrate Ref.	Judkins, H.L.M., M. Vecchione and C.F.E. Roper, 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.	Ruppert, E.E., R.S. Fox and R.D. Barnes, 2004
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Ruppert, E.E., R.S. Fox and R.D. Barnes, 2004

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
Ref.

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