Ecology Summary - Ammodytes dubius

Language:

Main Ref.	Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
Remarks	Occurs farther offshore in salinities of 30-36 ppt. Minimum depth reported taken from Ref. 57178. Semi-demersal (Ref. 94884). Benthic; feeds on crustaceans and worms (Ref. 58426). Preyed upon by Atlantic cod, haddock, pollock, plaice, yellowtail flounder, seabirds, puffins and harbor seals. Parasites of the species include trematodes, Branchyphallus crenatus, Derogenes varicus and Lecithaster gibbosus; cestodes Bothriocephalus scorpii; a tetraphyllid larva; and a nematode Thynnascaris (Contracaecum) adunca (Ref. 5951).

Main Ref.

Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000

Remarks

Occurs farther offshore in salinities of 30-36 ppt. Minimum depth reported taken from Ref. 57178. Semi-demersal (Ref. 94884). Benthic; feeds on crustaceans and worms (Ref. 58426). Preyed upon by Atlantic cod, haddock, pollock, plaice, yellowtail flounder, seabirds, puffins and harbor seals. Parasites of the species include trematodes, Branchyphallus crenatus, Derogenes varicus and Lecithaster gibbosus; cestodes Bothriocephalus scorpii; a tetraphyllid larva; and a nematode Thynnascaris (Contracaecum) adunca (Ref. 5951).

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 Ammodytes dubius may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations	schooling;
Associated with
Association remarks	Zooplanktivorous, semi-demersal, schooling perciforms that range in the Northwest Atlantic from Greenland to Cape Hatteras, North Carolina, USA (Ref. 94884).
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Coad, B.W. and J.D. Reist, 2004
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Coad, B.W. and J.D. Reist, 2004

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	3.20	0.07	3.11	0.17	Troph of adults from 3 studies.
From individual food items	3.27	0.38			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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