Ecology Summary - Crangon franciscorum

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Ecology of Crangon franciscorum

Main Ref.	Carpenter, K.E. and V.H. Niem, 1998
Remarks	Feeds on various crustaceans, polychaetes, mollusks and fish (Refs. 101967. 104050). Predators include seabirds and fish (Refs. 4420, 32651).

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 Crangon franciscorum may be found.

Habitat

Substrate	Benthic: demersal; Soft Bottom: sand; mud;
Substrate Ref.	Carpenter, K.E. and V.H. Niem, 1998
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.	Sitts, R.M. and A.W. Knight, 1979
Feeding habit	browsing on substrate
Feeding habit Ref.	Sitts, R.M. and A.W. Knight, 1979

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	3.33	0.47			Troph of juv./adults.
From individual food items	3.52	0.49			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Wahle, R.A., 1985

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