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Ecology of Electrona antarctica
 
Main Ref. Hulley, P.A., 1986
Remarks Oceanic and mesopelagic, found in the upper 100 m south of the Antarctic Polar Front but deeper northwards (Ref. 4066). Adults take more euphausiids and also prey upon polychaetes. The diet of juveniles of less than 6 cm SL consists mainly of copepods, with some euphausiids and hyperiids. A fundamental species in the pelagic ecosystem of Southern Oceans because of its considerable biomass (Ref. 45488).

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 Electrona antarctica may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Kozlov, A.N. and M.I. Terverdiyeva, 1989
Feeding habit selective plankton feeding
Feeding habit Ref. Kozlov, A.N. and M.I. Terverdiyeva, 1989
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.21 0.35 3.10 0.20 Troph of juv./adults from 1 study.
From individual food items 3.14 0.39 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Pusch, C., P.A. Hulley and K.-H. Kock, 2004
(e.g. 346)
(e.g. cnidaria)
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