Ecology Summary - Harpadon nehereus

語言:

主要參考文獻	Nakabo, T., 2002
附註	Found in sandy-muddy bottoms shallower than 50 m depth (Ref. 41299). Juveniles and/or adults are found in far inshore waters (Ref. 121464). Inhabit deep water offshore for most of the year, but also gathers in large shoals in deltas of rivers to feed during monsoons (Ref. 9987). An aggressive predator (Ref. 9987). Voracious, carnivorous and cannibalistic to some extent. Mainly feeds on small prawns and fishes (Ref. 995).

主要參考文獻

Nakabo, T., 2002

附註

Found in sandy-muddy bottoms shallower than 50 m depth (Ref. 41299). Juveniles and/or adults are found in far inshore waters (Ref. 121464). Inhabit deep water offshore for most of the year, but also gathers in large shoals in deltas of rivers to feed during monsoons (Ref. 9987). An aggressive predator (Ref. 9987). Voracious, carnivorous and cannibalistic to some extent. Mainly feeds on small prawns and fishes (Ref. 995).

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	河口/瀉湖/半鹹淡水海洋 mangroves marshes/swamps	rivers/streams lakes/ponds 洞專門地

Highighted items on the list are where Harpadon nehereus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

參考文獻
Associations
Associated with
Association remarks
Parasitism

進食

攝取食物的類型	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Bapat, S.V., 1970
攝取食物的習慣	hunting macrofauna (predator)
Feeding habit Ref.	Bapat, S.V., 1970

Trophic Level(s)

Estimation method	最初的樣本		不捕獲族群		附註
Estimation method	Troph	s.e.	Troph	s.e.	附註
從食物內容
從個別的食物項目	4.08	0.74			Trophic level estimated from a number of food items using a randomized resampling routine.
參考文獻

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