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Ecology of Argyropelecus hemigymnus
 
Main Ref. Hopkins, T.L. and R.C. Baird, 1985
Remarks Oceanic (Ref. 4739) and mesopelagic, mainly at 250-650 m (Ref. 4054). Occur between 200 and 700 m depth during the day, concentrated between 350 and 550 m, and between 100 and 650 m at night, preferring a depth between 150 and 380 m (Ref. 47377). Adults make marked vertical migrations (Ref. 4739). Found singly or in small groups (Ref. 4739). An opportunistic feeder at dusk on calanoid copepods, small fishes (Ref. 4739).

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 Argyropelecus hemigymnus 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. Hopkins, T.L. and R.C. Baird, 1985
Feeding habit hunting macrofauna (predator)
Feeding habit Ref.
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.09 0.15
From individual food items 3.06 0.14 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Hopkins, T.L. and R.C. Baird, 1985
(e.g. 346)
(e.g. cnidaria)
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