Ecology of Callorhinus ursinus
 
Main Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Remarks Feeds on many varieties of epipelagic and vertically migrating schooling and non-schooling fish and squid; feeding is at night.

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 Callorhinus ursinus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993

Trophic Level(s)

Estimation method original sample unfished population Remark
Troph s.e. Troph s.e.
From diet composition 4.50 0.78 Troph of juv./adults.
From individual food items 4.50 0.53 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Gaichas, S.K., 2006
(e.g. 9948)
(e.g. cnidaria)
Entered by Sorongon-Yap, Patricia on 06.27.06
Modified by Sorongon-Yap, Patricia on 03.04.08
Comments & Corrections
 
 
Back to Search
cfm script by ,  ,  php script by , 2/5/2008 ,  last modified by sortiz, 08/24/17