Ecology Summary - Squatina dumeril
Ecology of Squatina dumeril
 
Main Ref. Compagno, L.J.V., 1984
Remarks Occurs on the outer continental shelf and the upper slope. Feeds on small bottom fishes, crustaceans and bivalves.

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 Squatina dumeril may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Fonte Biblio.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Compagno, L.J.V., 1984
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Compagno, L.J.V., 1984
Trophic Level(s)
Estimation method Original sample Unfished population Commento
Troph s.e. Troph s.e.
From diet composition 4.49 0.57 4.22 0.62 Troph of adults from 2 studies.
From individual food items 3.70 0.56 Trophic level estimated from a number of food items using a randomized resampling routine.
Fonte Biblio. Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
(es. 346)
(es. oophagy)
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