Ecology of Leptonychotes weddellii
 
Main Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
distribution
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
Marine - Oceanic
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
Brackishwater
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
Freshwater
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Leptonychotes weddellii may be found.
Remarks Found on fast ice and offshore through the pack ice. Feeds on the huge Antarctic cod, fish, with smaller amounts of squid and other invertebrates.

Substrate

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

feeding

feeding type mainly animals (troph. 2.8 and up)
feeding type ref Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
feeding habit hunting macrofauna (predator)
feeding habit ref Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
trophic level(s)
original sample unfished population Remark
estimation method Troph s.e. Troph s.e.
From diet composition 4.49 0.63 Troph of juv./adults.
Ref. Casaux, R., A. Baroni and A. Carlini, 1997
From individual food items 4.01 0.52 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 9948)
(e.g. cnidaria)
Entered by Sorongon-Yap, Patricia on 06.28.06
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