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Ecology of Eschrichtius robustus
 
Main Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Remarks Lives within a few tens of kilometers of shore. Bottom feeders that feed primarily on swarming mysids and tube-dwelling amphipods in the northern parts of their range, but are also known to take red crabs, baitfish, and other food opportunistically.

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 Eschrichtius robustus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type
Feeding type Ref.
Feeding habit
Feeding habit Ref.

Trophic Level(s)

Estimation method original sample unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.29 0.53 Tentative trophic level derived from 1 + troph of a single food item
Ref.
(e.g. 9948)
(e.g. cnidaria)
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