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Ecologia de Acipenser transmontanus
 
Ref. principal Radtke, L.D., 1966
Notas Spends most of its time in the sea, usually close to shore (Ref. 27547). Enters estuaries of large rivers and moves far inland to spawn (Ref. 5723). Individuals larger than 48.3 cm feed mainly on fishes; smaller ones feed mainly on chironomids, but also takes small crustaceans, other insects and mollusks (Ref. 1998). Feeding ceases just before spawning (Ref. 1998).

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
  • Estuários/lagunas/áreas estuarinas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • Grutas
  • exclusivamente
Highighted items on the list are where Acipenser transmontanus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Alimentação

Tipo de alimentação mainly animals (troph. 2.8 and up)
Feeding type Ref. Radtke, L.D., 1966
Hábito alimentar hunting macrofauna (predator)
Feeding habit Ref. Radtke, L.D., 1966
Trophic Level(s)
Estimation method Amostra original População virgem (não pescada) Nota
Troph s.e. Troph s.e.
Da composição da dieta 3.25 0.13 3.27 0.54 Troph of juv./adults from 8 studies.
Dos itens alimentares individuais 3.62 0.57 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Radtke, L.D., 1966
(ex. 346)
(ex. oophagy)
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