Ecology of Otaria flavescens
 
Main Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Remarks Found over the continental shelf and slope. Occurs in deep waters, and also venture into freshwaters in rivers and around glaciers. Feeds on many species of benthic and pelagic fishes, and invertebrates (i.e. lobster, krill, squid, octopus, and jellyfish), and occasionally penguins and young South American seals).

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 Otaria flavescens 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 0.80 Troph of juv./adults.
From individual food items 4.50 0.75 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. George-Nascimento, M., R. Bustamante and C. Oyarzun, 1985
Ref. [ e.g. 3742]
Glossary [ e.g. cnidaria]
Back to Search
Comments & Corrections