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Ecology of Phractocephalus hemioliopterus
 
Main Ref. Lopez, H.L., R.C. Menni and A.M. Miguelarena, 1987
Remarks Known to occur at temperatures ranging from 24-29 °C, ph range of 5-9, and an alkalinity range of 42-142. Is mainly nocturnal (Ref. 9086).

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 Phractocephalus hemioliopterus 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. Lopez, H.L., R.C. Menni and A.M. Miguelarena, 1987
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Lopez, H.L., R.C. Menni and A.M. Miguelarena, 1987
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 4.15 0.73 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. cnidaria)
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