Ecology of Harpadon nehereus
 
Main Ref. Nakabo, T., 2002
Remarks Found in sandy-muddy bottoms shallower than 50 m depth (Ref. 41299). Juveniles and/or adults are found in far inshore waters (Ref. 121464). Inhabit deep water offshore for most of the year, but also gathers in large shoals in deltas of rivers to feed during monsoons (Ref. 9987). An aggressive predator (Ref. 9987). Voracious, carnivorous and cannibalistic to some extent. Mainly feeds on small prawns and fishes (Ref. 995).

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
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Harpadon nehereus may be found.

Habitat

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. Bapat, S.V., 1970
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Bapat, S.V., 1970
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 4.08 0.74 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. oophagy)
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