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Ecology of Carcharhinus leucas
 
Main Ref. Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990
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 Carcharhinus leucas may be found.
Remarks A coastal and freshwater shark inhabiting shallow waters especially in bays, estuaries, rivers, and lakes (Ref. 244). It readily penetrates far up rivers and hypersaline bays and littoral lagoons (Ref. 9997, 44894, 81283). Capable of covering great distances, up to 180 kilometers in 24 hours, and moving between fresh and brackish water at random (Ref. 44894). Juveniles move upstream and may be found several km from the sea, adults found near estuaries (Ref. 4967).

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 Cortés, E., 1999
Feeding habit hunting macrofauna (predator)
Feeding habit ref Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 4.31 0.46 4.21 0.65 Troph of juv./adults from 1 study.
Ref. Cortés, E., 1999
From individual food items 4.34 0.84 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Luna, Susan M. on 06.07.91
Modified by Boden, Gert on 11.17.14
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