Ecology Summary - Hemitriakis japanica
Ecology of Hemitriakis japanica
 
Main Ref. Compagno, L.J.V., 1984
Remarks Occurs close inshore and offshore down to at least 100 m depth. Presumably feeds on small fishes, cephalopods and crustaceans.

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 Hemitriakis japanica 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. Compagno, L.J.V., 1984
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Compagno, L.J.V., 1984
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 4.41 0.36 4.19 0.50 Troph of juv./adults from 1 study.
From individual food items 3.80 0.59 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Kamura, S. and H. Hashimoto, 2004
(e.g. 9948)
(e.g. oophagy)
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