Ecology of Onuxodon margaritiferae
 
Main Ref. Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999
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 Onuxodon margaritiferae may be found.
Remarks Uncommon species inhabiting coastal waters. Found in the mantle cavity of pearl oysters (Pinctada spp.) and other large bivalves (Ref. 1602, 75154) as well as in holothurians (Ref. 7300). It feeds on crustaceans and polychaetes and is reported to tend towards sexual pairing in the host.

Substrate

Substrate Benthic;
Substrate Ref.
Special habitats Coral Reefs;
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type ref Myers, R.F., 1991
Feeding habit hunting macrofauna (predator)
Feeding habit ref Myers, R.F., 1991
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 3.31 0.41 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 12.19.00
Modified by OrtaƱez, Auda Kareen on 09.04.08
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