Ecology Summary - Lycodes vahlii

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Main Ref.	Andriashev, A.P., 1986
Remarks	Lives at temperature of 0-5°C. Off Greenland it measures 50 cm and off Scandinavia rarely over 25-30 cm (Ref. 35388). Benthic (Ref. 58426). Feeds mostly on endobenthic prey, with shrimps and euphausiids becoming the more prominent prey as the size increases (Ref. 13532). Prefers warmer waters. Large eggs of 6 mm diameter are deposited on the sea floor (Ref. 13534). Parasites of the species include a protozoan, Trypanosoma murmanensis; blood parasites; and copepods Clavella insolita and Haemobaphes cyclopterina (Ref. 5951).

Main Ref.

Andriashev, A.P., 1986

Remarks

Lives at temperature of 0-5°C. Off Greenland it measures 50 cm and off Scandinavia rarely over 25-30 cm (Ref. 35388). Benthic (Ref. 58426). Feeds mostly on endobenthic prey, with shrimps and euphausiids becoming the more prominent prey as the size increases (Ref. 13532). Prefers warmer waters. Large eggs of 6 mm diameter are deposited on the sea floor (Ref. 13534). Parasites of the species include a protozoan, Trypanosoma murmanensis; blood parasites; and copepods Clavella insolita and Haemobaphes cyclopterina (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 Lycodes vahlii may be found.

Habitat

Substrate	Soft Bottom
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks	Not commercially exploited in the NW Atlantic, but occur frequently in bottom-trawl catches over broad ranges of depth and temperature (Ref. 13534); may suggest absence of aggregating behavior.
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Valtysson, H.T., 1995
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Andriashev, A.P., 1986

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition			3.36	0.38
From individual food items	3.40	0.42			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Valtysson, H.T., 1995

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