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Ecologia de Halichoerus grypus
 
Ref. principal Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Notas Found in coastal areas; they haul-out on isolated beaches and rocky ledges of islands. Feeds on a wide variety of fishes and invertebrates and occasionally take seabirds (Ref. 1394).

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
  • Estuários/lagunas/áreas estuarinas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • Grutas
  • exclusively in caves
Highighted items on the list are where Halichoerus grypus may be found.

Habitat

Substrate Hard Bottom: rocky;
Substrate Ref. Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Special habitats
Special habitats Ref.

Associations

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

Alimentação

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

Trophic Level(s)

Estimation method Amostra original População virgem (não pescada) Nota
Troph s.e. Troph s.e.
Da composição da dieta 4.50 0.80 Troph of juv./adults.
Dos itens alimentares individuais 4.49 0.96 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Prime, J.H. and P.S. Hammond, 1990
Ref. [ e.g. 3742]
Glossary [ e.g. cnidaria]
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