Ecology of Carcharhinus obscurus
 
Main Ref. Compagno, L.J.V., 1984
Remarks Occurs on the continental shelf and slope (Ref. 75154). Dusky whales tend to avoid estuaries and areas of low salinity (Refs. 244, 6390). Mostly marine but has been recorded from brackish waters (Ref. 86942).

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 Carcharhinus obscurus 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. Smale, M.J., 1991
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Smale, M.J., 1991
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 4.28 0.22 4.61 0.82 Troph of adults from 5 studies.
From individual food items 4.42 0.76 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
(e.g. 346)
(e.g. oophagy)
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