Ecology of Ambassis gymnocephalus
Main Ref. Rainboth, W.J., 1996
Remarks Found in shallow waters; common in estuaries; may enter lower reaches of rivers. Can tolerate fresh water only within a narrow temperature (23-26°C). Also inhabits coral reefs (Ref. 58534). Juveniles and/or adults are found in creeks, inlets, intertidal mud flats and subtidal edge of mud flats (Ref. 121464). Feeds mainly at night on crustaceans, but also takes small fishes, fish eggs and larvae in estuaries (Ref. 7248).

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 Ambassis gymnocephalus may be found.


Substrate Soft Bottom: mud;
Substrate Ref.
Special habitats
Special habitats Ref.


Associated with
Association remarks


Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref.
Feeding habit hunting macrofauna (predator)
Feeding habit Ref.

Trophic Level(s)

Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.91 0.56 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sampang-Reyes, Arlene G. on 10.09.00
Modified by Polido, Rubyann Robelle on 01.17.20
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