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Ecology of Salmo salar
 
Main Ref. Muus, B.J. and P. Dahlström, 1974
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 Salmo salar may be found.
Remarks Juveniles feed mainly on aquatic insects and crustaceans. At sea the Atlantic salmon is pelagic, usually found feeding near the surface (Ref. 59043) preying on fish and crustaceans (Ref. 35387). May make long distance feeding migrations while at sea (e.g. individuals from European rivers may migrate to rich feeding grounds around the Faeroes Islands and in western Greenland (Ref. 58137)). Adults do not feed in freshwater during the spawning and post-spawning migrations (Refs. 30578, 51442, 59043). Preyed upon by American mergansers, kingfishers, harbor seals, grey seals, sharks, pollock and tuna.

Substrate

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks Parasites found are 2 protozoans, 1 myxosporidians, 2 monogeneids, 13 trematodes, 6 cestodes, 5 nematodes, 4 acanthocephalans, 1 leech, glochidia, Argulus (sea louse) and 2 copepods.
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type ref Muus, B.J. and P. Dahlström, 1974
Feeding habit hunting macrofauna (predator)
Feeding habit ref Muus, B.J. and P. Dahlström, 1974
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 4.50 0.26 4.54 0.06 Troph of juv./adults from 7 studies.
Ref. Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
From individual food items 3.76 0.75 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Froese, Rainer on 05.14.92
Modified by Opitz, Silvia on 02.24.12
Checked by Miranda, Lilibeth on 05.10.01
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