Ecology Summary - Argentina silus

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Main Ref.	Pauly, D., 1989
Remarks	Feeds dominantly on fragmented salps and ctenophores and unidentifiable soft tissues (Ref. 51904). All the identified organisms in the stomachs are pelagic in habit and presumably obtained in the benthopelagic environment immediately above the sea bed (Ref. 51904). Parasites of the species include Lecithophyllum botryophorum, Derogenes varicus, Hemiurus levinseni, Lampritrema miescheri and L. nipponicum (trematodes) (Ref. 5951). Bathydemersal and oceanodromous. Schooling species. Found at water temperatures of 4°C-13°C. Juveniles are pelagic at 400-500m. Feeds on crustaceans, squids, arrow worms, comb jellies, and small fish (Ref. 117245).

Main Ref.

Pauly, D., 1989

Remarks

Feeds dominantly on fragmented salps and ctenophores and unidentifiable soft tissues (Ref. 51904). All the identified organisms in the stomachs are pelagic in habit and presumably obtained in the benthopelagic environment immediately above the sea bed (Ref. 51904). Parasites of the species include Lecithophyllum botryophorum, Derogenes varicus, Hemiurus levinseni, Lampritrema miescheri and L. nipponicum (trematodes) (Ref. 5951). Bathydemersal and oceanodromous. Schooling species. Found at water temperatures of 4°C-13°C. Juveniles are pelagic at 400-500m. Feeds on crustaceans, squids, arrow worms, comb jellies, and small fish (Ref. 117245).

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 Argentina silus may be found.

Habitat

Substrate	Pelagic;
Substrate Ref.	Coad, B.W. and J.D. Reist, 2018
Special habitats
Special habitats Ref.

Associations

Ref.	Scott, W.B. and M.G. Scott, 1988
Associations	parasitism; schooling;
Associated with	Lecithophyllum botryophorum; Derogenes varicus; Hemiurus levinseni, Lampritrema miescheri; L. nipponicum.
Association remarks
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Pauly, D., 1989
Feeding habit	selective plankton feeding
Feeding habit Ref.

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	3.32	0.30	3.27	0.24	Troph of adults from 2 studies.
From individual food items	3.63	0.56			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000

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