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Ecology of Polydactylus virginicus
 
Main Ref. Austin, H. and S. Austin, 1971
Remarks Found on sandy and muddy bottoms of coastal waters, estuaries and mangroves, and occasionally in the surf (Ref. 57343). Young aggregate near river mouths (Ref. 57343). Common around islands (Ref. 9710). Nocturnal feeder, taking crustaceans, chaetognaths, plant material and polychaetes (Ref. 57343).

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 virginicus may be found.

Habitat

Substrate Soft Bottom: sand; silt;
Substrate Ref. Martin, F.D. and J.W. Patus, 1984
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Austin, H. and S. Austin, 1971
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Gómez-Canchong, P., L. Manjarrés M., L.O. Duarte and J. Altamar, 2004
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.71 0.39 3.45 0.48 Troph of juv./adults from 1 study.
From individual food items 3.01 0.35 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Gómez-Canchong, P., L. Manjarrés M., L.O. Duarte and J. Altamar, 2004
(e.g. 346)
(e.g. cnidaria)
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