Ecology of Echidna nebulosa
 
Main Ref. Myers, R.F., 1991
Remarks Found between rocks and corals of intertidal reef flats, also in shallow lagoon and seaward reefs to depths of at least 10 m (Ref. 9710, 58302). Benthic (Ref. 58302). Occasionally leaves the water and travels between tidal pools (Ref. 1602). Feeds on fish and crabs, mainly on crustaceans (Ref. 1602). Also Ref. 9137, 58534. Number of strikes and time to locate a capture a prey did not differ significantly, whether feeding on small or large prey. Prey manipulation and feeding involve behaviors such as orientation, 'M' (i.e., the eel moves in a general forward and/or reverse direction, possibly forming an "M" configuration), rotation, shaking, releasing and feeding when feeding on small prey; however, behaviors such as orientation, 'M,' rotation, knotting 1, knotting 2, probing, releasing and feeding define those which feed on large prey. Manipulating and feeding on different sizes varies in terms of time involved; larger prey takes six times as long as small prey (Ref. 118229).

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 Echidna nebulosa may be found.

Habitat

Substrate Benthic; Hard Bottom: rocky;
Substrate Ref.
Special habitats Coral Reefs: reef flats;
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Myers, R.F., 1991
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Myers, R.F., 1991
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 4.17 0.71 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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