Ecology of Bathyraja spinicauda
 
Main Ref. McEachran, J.D. and K.A. Dunn, 1998
Distribution
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
Marine - Oceanic
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
Brackishwater
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
Freshwater
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Bathyraja spinicauda may be found.
Remarks An inhabitant of deep, cold water (Ref. 7251). Feeds on Mallotus villosus (capelin) and Raja radiata (thorny skate) (Ref. 5951).

Substrate

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations shoaling;
Associated with
Association remarks Shoaling assumed, by way of spawning aggregations, based on observations of several large (>150 cm TL) females of this species from the edge of the Labrador Shelf that were found to have stretched oviducts, and fully formed egg cases, indicating that reproduction takes place in that area (Ref. 94893).
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)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 4.41 0.62 Troph of juv./adults from 1 study.
Ref.
From individual food items 4.03 0.63 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sta. Iglesia, Drina on 10.30.00
Modified by Hilomen, Teresa on 02.06.14
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