Ecology of Arctozenus risso
 
Main Ref. Post, A., 1984
Remarks Pseudoceanic and mesopelagic, occurring singly or in small schools (Ref. 5759), primarily at 200-1000 (Ref. 58302). Feed mainly on fishes and shrimps (Ref. 5759). Spawn in continental slopes and in oceanic banks from northern through tropical to southern temperate waters (Ref. 41668). It is preyed upon by Atlantic cod, Greenland cod, pollock, redfish and seals (Ref. 5951).

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 Arctozenus risso 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. Post, A., 1984
Feeding habit hunting macrofauna (predator)
Feeding habit Ref.
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.22 3.13 0.24 Troph of adults from 1 study.
From individual food items 3.69 0.58 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Il'inskiy, E.N., A.A. Balanov and O.A. Ivanov, 1995
(e.g. 346)
(e.g. oophagy)
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