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Ecology of Negaprion brevirostris
 
Main Ref. Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990
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 Negaprion brevirostris may be found.
Remarks Exhibits no pattern of periodicity. Feeding is asynchronous and intermittent. Daily ration is estimated at 1.5 - 2.1% body weight per day; meal completely evacuated from stomach 25-41 hr after feeding, depending on meal type and temperature; fecal production continues for 68-82 hr after feeding (Wetherbee 1990).

Substrate

Substrate
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 Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990
Feeding habit hunting macrofauna (predator)
Feeding habit ref Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 4.27 0.50 4.34 0.76 Troph of juv./adults from 3 studies.
Ref. Cortés, E. and S.H. Gruber, 1990
From individual food items 3.93 0.59 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Luna, Susan M. on 06.07.91
Modified by Sa-a, Pascualita on 05.10.01
Checked by Miranda, Lilibeth on 05.10.01
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