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Ecology of Polydactylus sexfilis
 
Main Ref. Honebrink, R., 1990
Remarks Occurs along sandy and rocky shorelines and over sandy lagoon bottoms, often in zones of turbulence (Ref. 9685). Often encountered in river mouths or brackish mangrove estuaries. Feeds mainly on crustaceans (shrimps and crabs), polychaete worms, other benthic invertebrates; also on teleosts (Ref. 9685). Feeds during the day and at night (diurnal and nocturnal). In Hawaii, small fishes occur in schools along beaches and in sheltered coves from May through August.

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 Polydactylus sexfilis may be found.

Habitat

Substrate Soft Bottom: sand; Hard Bottom: rocky;
Substrate Ref. Feltes, R.M., 2001
Special habitats
Special habitats Ref. Halwart, M. and M.V. Gupta, 2004

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Honebrink, R., 1990
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Honebrink, R., 1990
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.43 0.49 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. cnidaria)
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