Ecology Summary - Chionoecetes japonicus

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Ecology of Chionoecetes japonicus

Main Ref.	Fujikura, K., S. Tsuchida and J. Hashimoto, 2000
Remarks	Host of an ectoparasite Johanssonia arctica. Exhibits cannibalism (Ref. 101157).

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 Chionoecetes japonicus may be found.

Habitat

Substrate	Benthic: mobile;
Substrate Ref.	Fujikura, K., S. Tsuchida and J. Hashimoto, 2000
Special habitats	Other habitats: other invertebrates (Refer to associations.);
Special habitats Ref.

Associations

Ref.	MarineSpecies.org, 2050
Associations	parasitism;
Associated with	Johanssonia arctica.
Association remarks
Parasitism	outside host

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Chuchukalo, V.I., V.A. Nadtochy, V.N. Koblikov and O.Y. Borilko, 2011
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Chuchukalo, V.I., V.A. Nadtochy, V.N. Koblikov and O.Y. Borilko, 2011

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	3.72	0.48			Troph of juv./adults.
From individual food items	3.70	0.42			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Chuchukalo, V.I., V.A. Nadtochy, V.N. Koblikov and O.Y. Borilko, 2011

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