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Ecology of Acipenser baerii
 
Main Ref. Ruban, G.I. and L.A. Konoplya, 1994
Remarks Reported to reach a length of 153 TL (approximately 30,000 g) in the freshwater Shakujii Hatchery (Ref. 9978). Lives essentially in freshwater although some fish frequently occur in estuaries. Males are sexually mature between 9-15 years; females between 16-20 years (Ref. 11941).

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 baerii 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. Ruban, G.I. and L.A. Konoplya, 1994
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Ruban, G.I., 2005
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.33 0.18 Troph of juv./adults from 4 studies.
From individual food items 3.22 0.38 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. cnidaria)
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