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Ecology of Diodon holocanthus
 
Main Ref. Randall, J.E., 1967
Verbreitung
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 Diodon holocanthus may be found.
Remarks Inhabits lagoon and seaward reefs (Ref. 37816, 58534) to open shallow, soft bottoms. Occurs on open muddy substrates as well as on rich soft-bottom and coral reefs. Also in areas with rocky substrata. Young and sub-adults may form small groups (Ref. 48637). Juveniles pelagic to about 6-9 cm. Solitary. Feeds on mollusks, sea urchins, hermit crabs, shellfish and crabs at night (Ref. 9680, 54301). Mobile-invertebrate feeder (Ref. 57615, 57616). A relatively poor swimmer (Ref. 9710). A relatively poor swimmer (Ref. 9710).

Substrate

Substrate Soft Bottom: sand; mud; Hard Bottom: rocky;
Substrate Ref.
Special habitats Coral Reefs: lagoons;
Special habitats Ref. Dominici-Arosemena, A. and M. Wolff, 2006

Associations

Ref.
Associations solitary; schooling;
Associated with Sometimes forms groups (Ref. 9710, 48637). Young and sub-adults may form small groups (Ref. 48637). Juveniles often with floating Sargassum rafts.
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type ref Randall, J.E., 1967
Feeding habit hunting macrofauna (predator)
Feeding habit ref Randall, J.E., 1967
Trophic level(s)
Original sample Unfished population Bemerkung
Estimation method Troph s.e. Troph s.e.
From diet composition 3.85 0.17 3.27 0.47 Troph of juv./adults from 1 study.
Ref. Randall, J.E., 1967
From individual food items 3.31 0.43 Trophic level estimated from a number of food items using a randomized resampling routine.
(z.B. 346)
(z.B. cnidaria)
Eingetragen Sa-a, Pascualita on 04.04.95
Geändert von Pablico, Grace Tolentino on 11.19.07
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