Ecology Summary - Acipenser dauricus
Ecology of Acipenser dauricus
 
Main Ref. Gudger, E.W., 1945
Remarks Feeds on invertebrates in the first year then switch to juveniles of pelagic fishes, e.g., Oncorhynchus keta, at age 3 to 4 yrs., kaluga feeds on adult fishes (Ref. 40142).

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 Acipenser dauricus may be found.

Habitat

Substrate
Substrate Ref.
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. Krykhtin, M.L. and V.G. Svirskii, 1997
Feeding habit
Feeding habit Ref.
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 4.46 0.41 Troph of juv./adults from 3 studies.
From individual food items 4.15 0.68 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Yukhimenko, S.S., 1963
(e.g. 9948)
(e.g. oophagy)
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