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Ecology of Phractocephalus hemioliopterus
 
Main Ref. Lopez, H.L., R.C. Menni and A.M. Miguelarena, 1987
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 Phractocephalus hemioliopterus may be found.
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).

Substrate

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)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 4.15 0.73 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Palma Gonzales, Carlos on 04.18.95
Modified by Sa-a, Pascualita on 03.09.00
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