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Οικολογία του Portunus pelagicus
 
Κύρια Αναφ. Ng, P.K.L., 1998
Σχόλια Immediate subtidal to a depth of 40 m (Ref. 801), on sandy to sandy-muddy substrates in areas near reefs, mangroves, and sea grass and algal beds (Ref. 343). Juveniles tend to occur in shallow intertidal areas (Ref. 343). Burrows in sand when disturbed; carnivorous and voracious predator (Ref. 801). Host to protozoans, helminths and crustaceans (Ref. 104981).

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
  • Εκβολές/λιμνοθάλασσες/υφάλμυρες θάλασσες
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • Σπηλιές
  • exclusively in caves
Highighted items on the list are where Portunus pelagicus may be found.

Habitat

Substrate Benthic: mobile; demersal; megabenthos; Soft Bottom: sand; mud;
Substrate Ref. Ng, P.K.L., 1998
Special habitats Beds: algae/seaweed; sea grass; Coral Reefs;
Special habitats Ref. Ng, P.K.L., 1998

Associations

Αναφ. Ng, P.K.L., 1998
Associations parasitism;
Associated with protozoa Operculariella sp., Acineta sp., Thelohania sp., Nematopsis sp., Ameson sp., Hematodinium sp.; helminths planoceroid turbellarian, tetraphyllid cestode, Levinseniella sp., Polypocephalus moretonensis, Carcinonemertes mitsukurii; crustaceans Choniosphaera indica, Sacculina granifera, Octolasmis spp., Chelonibia patula (Ref. 104981).
Association remarks
Parasitism outside host (Chelonibia patula is found on the crab's carapace (Ref. 104981).) inside host (All species are endoparasitic except Chelonibia patula (Ref. 104981).)

Διατροφή

Τροφικός Τύπος plants/detritus+animals (troph. 2.2-2.79)
Feeding type Ref. de Lestang, S., I.C. Platell and M.E. Potter, 2000
Τροφική Συνήθεια hunting macrofauna (predator)
Feeding habit Ref. de Lestang, S., I.C. Platell and M.E. Potter, 2000

Trophic Level(s)

Estimation method Αρχικό δείγμα Μη αλιευμένος πληθυσμός Σχόλιο
Troph s.e. Troph s.e.
Από σύσταση δίαιτας 2.48 0.19 Troph of juv./adults.
Από ατομικά τροφικά αντικείμενα 3.54 0.46 Trophic level estimated from a number of food items using a randomized resampling routine.
Αναφ. de Lestang, S., I.C. Platell and M.E. Potter, 2000
Ref. [ e.g. 3742]
Glossary [ e.g. cnidaria]
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