Ecology of Malacoraja senta
 
Main Ref. Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
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 Malacoraja senta may be found.
Remarks Inhabits soft mud and clay bottoms of the deeper troughs and basins, sands, sands and shells, gravel and pebbles of the offshore fishing banks (Ref. 6902). Salinity ranges from 32.6 to 35.4 (Ref. 6902). This species is confined to deep water. No occurrence has been found in less than 8 m of water (Ref. 6902). Feeds on decapod crustaceans and euphausiids, with mysids being more important. Parasites of the species include blood parasite, Haemogregarina delagei (protozoan) and Zyxibothrium kamienae (cestode) (Ref. 5951).

Substrate

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

Associations

Ref.
Associations shoaling;
Associated with
Association remarks NEFSC bottom trawl surveys report juvenile concentrations found near the Northeast Peak (Canadian side) of Georges Bank and Northeast Channel in winter, and in spring, heavily concentrated in the Gulf of Maine (Ref. 49750). Deposit single fertilized egg in capsule; diet restricted in diversity of prey and habitat occupied by prey (Ref. 86779).
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type ref Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
Feeding habit hunting macrofauna (predator)
Feeding habit ref Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 3.47 0.21 3.40 0.40 Troph of adults from 5 studies.
Ref. Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
From individual food items
(e.g. 346)
(e.g. cnidaria)
Entered by Pablico, Grace Tolentino on 06.27.02
Modified by Hilomen, Teresa on 02.21.14
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