Ecology Summary - Charybdis japonica

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Ecology of Charybdis japonica

Main Ref.	Ng, P.K.L., 1998
Remarks	Subtropical and tropical climates (Ref. 343). Found intertidal to subtidal, on substrates ranging from seagrass, mud, sand, to rocks. Occur to depths of 50 meters (Ref. 125642). Also found in tidepools on rocky shores (Ref. 118296). Common in estuaries, in firm or muddy fine sands (Ref. 118295). Generalist scavenger and predator (Ref. 118296). Benthopelagic predator, feeding mainly on benthic bivalves (Lamellibranchia), benthic crustaceans, fishes, and cephalopods (Ref. 117071). Host to the sacculinid barnacle Heterosaccus papillosus (Ref. 118296).

Main Ref.

Ng, P.K.L., 1998

Remarks

Subtropical and tropical climates (Ref. 343). Found intertidal to subtidal, on substrates ranging from seagrass, mud, sand, to rocks. Occur to depths of 50 meters (Ref. 125642). Also found in tidepools on rocky shores (Ref. 118296). Common in estuaries, in firm or muddy fine sands (Ref. 118295). Generalist scavenger and predator (Ref. 118296). Benthopelagic predator, feeding mainly on benthic bivalves (Lamellibranchia), benthic crustaceans, fishes, and cephalopods (Ref. 117071). Host to the sacculinid barnacle Heterosaccus papillosus (Ref. 118296).

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 Charybdis japonica may be found.

Habitat

Substrate	Benthic; Pelagic; Soft Bottom: sand ( fine, ); mud; Hard Bottom: rocky;
Substrate Ref.	Ng, P.K.L., 1998
Special habitats	Beds: sea grass;
Special habitats Ref.	Wong, K.J.H., L.S.R. Tao and K.M.Y Leung, 2021

Associations

Ref.	Ng, P.K.L., 1998
Associations
Associated with	Heterosaccus papillosus; serpulid polychaete tubes (Ref. 118296).
Association remarks
Parasitism	outside host

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Weimin, J., M. Tianxiang, C. Ruisheng and W. Sheng, 1998
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Weimin, J., M. Tianxiang, C. Ruisheng and W. Sheng, 1998

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	3.58	0.49			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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