Ekologin hos Arctocephalus australis
 
Main Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Anmärkningar Found primarily coastal, continental shelf and slope waters; there are records from more than 600 km offshore. Feeds on small schooling fish and invertebrates such as cephalopods, crustaceans and gastropods.

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
  • exclusively in caves
Highighted items on the list are where Arctocephalus australis may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Associations
Associated with
Association remarks
Parasitism

Föda

Typ av föda mainly animals (troph. 2.8 and up)
Feeding type Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Födosöksstrategi hunting macrofauna (predator)
Feeding habit Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993

Trophic Level(s)

Estimation method Ursprungligt prov Ofiskad population Kommentar
Troph s.e. Troph s.e.
Från födosammansättning 4.50 0.80 Troph of juv./adults.
Från individuella födoämnen 4.50 0.62 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Naya, D.E., M. Arim and R. Vargas, 2002
(t.ex. 9948)
(t.ex. cnidaria)
Comments & Corrections
 
 
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