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Ecology of Rioraja agassizii
 
Main Ref. Carvalho-Filho, A., 1992
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 Rioraja agassizii may be found.
Remarks A coastal species found on sand, mud or gravel bottoms. Feeds on crustaceans, mollusks and fishes.

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 Carvalho-Filho, A., 1992
Feeding habit hunting macrofauna (predator)
Feeding habit ref Carvalho-Filho, A., 1992
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 3.55 Troph of adults from 1 study.
Ref.
From individual food items 3.86 0.61 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sta. Iglesia, Drina on 01.25.01
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