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Ecology of Amblyraja hyperborea
 
Main Ref. McEachran, J.D. and K.A. Dunn, 1998
Remarks Dwells over silty subtrates at depths from 167-1600m. Found in water temperatures between -0.08°C to 3.5°C. Common along upper continental slopes 800-1500 m in the east Norwegian Sea. Benthic feeder, feeding at trophic levels of 3.98 (Ref. 117245). Found on the continental slope (Ref. 75154), reaching bathyal and abyssal depths in the Arctic region (Ref. 119696). Feeds on all kinds of bottom animals.

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 Amblyraja hyperborea may be found.

Habitat

Substrate Benthic; Soft Bottom: silt;
Substrate Ref. Coad, B.W. and J.D. Reist, 2018
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Stehmann, M. and D.L. Bürkel, 1984
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Stehmann, M. and D.L. Bürkel, 1984
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 4.31 0.54 Troph of juv./adults from 2 studies.
From individual food items 3.93 0.56 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. cnidaria)
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