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Ekologin hos Alosa immaculata
 
Main Ref. Whitehead, P.J.P., 1985
Anmärkningar Feeds on fish and benthic crustaceans (Ref. 188). Euryhaline, anadromous, moving northward in the Black Sea in spring and early summer. Remains at depths of 40-90 m during winter, moving to shallower waters in spring and near the bottom at water temperatures of 10-15°C in summer and autumn (Ref. 10439). In Kagoul Lake in the Danube Delta, numerous juveniles 2.6-7.0 cm FL were noted in July-August at water temperatures of 15.8-19.5°C, oxygen concentration of 9.9-10.4 ml/l and pH of 8.0-8.1 (Ref. 10440).

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
  • Flodmynningar/laguner/bräckta havsområden
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • Grottor
  • uteslutande
Highighted items on the list are where Alosa immaculata may be found.

Habitat

Substrate Soft Bottom
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Föda

Typ av föda mainly animals (troph. 2.8 and up)
Feeding type Ref. Whitehead, P.J.P., 1985
Födosöksstrategi hunting macrofauna (predator)
Feeding habit Ref. Whitehead, P.J.P., 1985
Trophic Level(s)
Estimation method Ursprungligt prov Ofiskad population Kommentar
Troph s.e. Troph s.e.
Från födosammansättning 3.98 0.59 Troph of juv./adults from 1 study.
Från individuella födoämnen 3.93 0.67 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(t.ex. 346)
(t.ex. oophagy)
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