Ecology Summary - Portunus trituberculatus

Ecology Summary - Portunus trituberculatus

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Ecology of Portunus trituberculatus

Main Ref.	Ng, P.K.L., 1998
Remarks	Shallow waters up to depths of 50 m. Inhabits sandy to sandy-muddy substrates (Ref. 343). Benthopelagic predator, feeding mainly on bivalves (Lamellibranchia), benthic crustaceans, fishes and cephalopods (Ref. 117071).

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 Portunus trituberculatus may be found.

Habitat

Substrate	Benthic: mobile; demersal; Soft Bottom: sand; mud;
Substrate Ref.	Ng, P.K.L., 1998
Special habitats
Special habitats Ref.

Associations

संदर्भ	Ng, P.K.L., 1998
Associations
Associated with
Association remarks
Parasitism

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		टिप्पणी
Estimation method	Troph	s.e.	Troph	s.e.	टिप्पणी
From diet composition
From individual food items	3.72	0.41			Trophic level estimated from a number of food items using a randomized resampling routine.
संदर्भ

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