Ecology of Carcharhinus obscurus
 
Main Ref. Compagno, L.J.V., 1984
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 obscurus may be found.
Remarks Occurs on the continental shelf and slope (Ref. 75154). Dusky whales tend to avoid estuaries and areas of low salinity (Refs. 244, 6390).

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 Smale, M.J., 1991
Feeding habit hunting macrofauna (predator)
Feeding habit ref Smale, M.J., 1991
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 4.28 0.22 4.61 0.82 Troph of adults from 5 studies.
Ref. Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
From individual food items 4.42 0.76 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 02.17.98
Modified by OrtaƱez, Auda Kareen on 07.11.08
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