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Ecology of Acipenser brevirostrum
 
Main Ref. Bigelow, H.B., M.G. Bradbury, J.R. Dymond, J.R. Greeley, S.F. Hildebrand, G.W. Mead, R.R. Miller, L.R. Rivas, W.L. Schroeder, R.D. Suttkus and V.D. Vladykov, 1963
Remarks Inhabit river mouths, lakes, estuaries, and bays; occasionally enters the open sea. Occur in the deeper channels of freshwater and brackish zones of rivers from spring until early fall. During this period of growth and feeding, these fish ingest insects and crustaceans (Ref. 38308).

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 brevirostrum may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref. Scott, W.B. and M.G. Scott, 1988
Associations
Associated with
Association remarks Parasites of the species include Diclybothrium armatum, Spirochis sp., Fessesentis friedi, Argulus alosa, Capillospirura pseudoargumentosa and Echinorhynchus attenuatus (Ref. 5951).
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
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 3.25 0.39 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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