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Ecology of Diodon hystrix
 
Main Ref. Randall, J.E., 1985
Remarks Occurs in lagoon and seaward reefs to at least 50 m. Commonly seen in caves and holes in shallow reefs (Ref. 26938, 48637, 58534). Juveniles to about 20 cm are pelagic. Adults benthic (Ref. 30573). A solitary and nocturnal fish that feeds on hard shelled invertebrates like sea urchins, gastropods, and hermit crabs (Ref. 9680). Mobile-invertebrate feeder (Ref. 57615, 57616).

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 Diodon hystrix may be found.

Habitat

Substrate
Substrate Ref.
Special habitats Beds: sea grass; Coral Reefs: lagoons;
Special habitats Ref. Dominici-Arosemena, A. and M. Wolff, 2006

Associations

Ref. Leis, J.M., 2001
Associations solitary;
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Randall, J.E., 1985
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Randall, J.E., 1985
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.67 3.37 0.54 Troph of adults from 1 study.
From individual food items 3.61 0.56 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Randall, J.E., 1985
(e.g. 346)
(e.g. oophagy)
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