Ecology of Polydactylus sexfilis
 
Main Ref. Honebrink, R., 1990
Distribution
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
Marine - Oceanic
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
Brackishwater
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
Freshwater
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Polydactylus sexfilis may be found.
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.

Substrate

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)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 3.43 0.49 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Torres, Armi G. on 12.01.92
Modified by Casal, Christine Marie V. on 04.05.18
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