Ecology of Dactylobatus clarkii
 
Main Ref. McEachran, J.D. and K.A. Dunn, 1998
Remarks Inhabits mud-bottom habitat on the upper slope, generally in waters deeper than 350 meters. Stomach contents include one specimen of Mullus argentinae, remains of a teleost fish and predominance of Myctophidae fishes. Sympatric with other chondrichthyans, Etmopterus bigelowi, Squalus aff. blainvillei, and Dipturus leptocauda (Ref. 56543).

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 Dactylobatus clarkii may be found.

Habitat

Substrate : mud;
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. Soto, J.M.R., C.E.N. Consulim and M.B. de Souza Filho, 2004
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Soto, J.M.R., C.E.N. Consulim and M.B. de Souza Filho, 2004

Trophic Level(s)

Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 4.50 0.80 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. cnidaria)
Entered by Pablico, Grace Tolentino on 03.19.08
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