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Ecology of Somniosus pacificus
 
Main Ref. Hart, J.L., 1973
Remarks Found on the continental slope (Ref. 75154). Found in varying habitats, from nearshore and upper slopes to lower shelf and slope waters. Typically in temperatures of 4.4 to 11.8°C (Ref. 117245). Its diet and behavioral information shows that it can be an important predator and scavenger of shelf and slope ecosystems (Ref. 117245).

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 Somniosus pacificus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref. Coad, B.W. and J.D. Reist, 2018
Associations parasitism;
Associated with unspecified copepod ectoparasite;
Association remarks
Parasitism outside host (Copepod ectoparasite infects the eyes.)

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Hart, J.L., 1973
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Hart, J.L., 1973
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 4.36 0.37 4.16 0.46 Troph of juv./adults from 2 studies.
From individual food items 4.22 0.48 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Cortés, E., 1999
(e.g. 346)
(e.g. cnidaria)
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