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Ekologin hos Negaprion brevirostris
 
Main Ref. Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990
Anmärkningar 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).

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
  • Flodmynningar/laguner/bräckta havsområden
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • Grottor
  • uteslutande
Highighted items on the list are where Negaprion brevirostris may be found.

Habitat

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

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Föda

Typ av föda mainly animals (troph. 2.8 and up)
Feeding type Ref. Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990
Födosöksstrategi hunting macrofauna (predator)
Feeding habit Ref. Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990
Trophic Level(s)
Estimation method Ursprungligt prov Ofiskad population Kommentar
Troph s.e. Troph s.e.
Från födosammansättning 4.27 0.50 4.34 0.76 Troph of juv./adults from 3 studies.
Från individuella födoämnen 3.93 0.59 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Cortés, E. and S.H. Gruber, 1990
(t.ex. 346)
(t.ex. cnidaria)
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