Ecology Summary - Nephrops norvegicus

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Ecology of Nephrops norvegicus

Main Ref.	Holthuis, L.B., 1991
Remarks	Found in the continental shelf and slope (Ref. 94799). Epibenthic (Ref. 87524). Sedentary (Ref. 94799). Inhabits muddy bottoms in which it digs its burrows. Nocturnal and feeds on detritus, crustaceans and worms (Ref. 4). An active predator or scavenger (Ref. 94757). Another isotope data (δ15N=6.26±0.14, n=3, Ref. 106518).

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 Nephrops norvegicus may be found.

Habitat

Substrate	Benthic: mobile; endofauna (infauna); Soft Bottom: mud;
Substrate Ref.	Ellis, J.R., G. Burt and S.I. Rogers, 2007
Special habitats	Other habitats: burrows;
Special habitats Ref.

Associations

Ref.	Hansen, H.S.B., 2015
Associations	parasitism;
Associated with	Hematodinium sp
Association remarks
Parasitism	inside host (The parasitic dinoflagellate Hematodinium sp. lives in the hemolymph (blood), causing a condition called bitter crab disease (BCD) (Ref. 119370).)

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Cristo, M. and J.E. Cartes, 1998
Feeding habit	variable
Feeding habit Ref.	Cristo, M. and J.E. Cartes, 1998

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition					detritus, crustaceans and worms.
From individual food items	3.67	0.53			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Holthuis, L.B., 1991

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