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Ecology of Johnrandallia nigrirostris
 
Main Ref. Schneider, M., 1995
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 Johnrandallia nigrirostris may be found.
Remarks Often in large schools (Ref. 5227) over coral and rocky reefs (Ref. 9286). Feed on algae, gastropods, and small crustaceans (Ref. 9286). Omnivore (Ref. 57615).

Substrate

Substrate Hard Bottom: rocky;
Substrate Ref.
Special habitats Coral Reefs; Corals: soft corals hard corals;
Special habitats Ref. Dominici-Arosemena, A. and M. Wolff, 2006

Associations

Ref.
Associations
Associated with
Association remarks Pick parasites from larger fishes like Paranthias colonus and Mulloides dentatus (Ref. 28023).
Parasitism

Feeding

Feeding type plants/detritus+animals (troph. 2.2-2.79)
Feeding type ref Schneider, M., 1995
Feeding habit variable
Feeding habit ref Dominici-Arosemena, A. and M. Wolff, 2006
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 2.97 0.44 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sa-a, Pascualita on 06.21.00
Modified by Pablico, Grace Tolentino on 08.17.07
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