Ecology of Petroscirtes variabilis
 
Main Ref. Myers, R.F., 1991
Remarks Occurs in seagrass beds of shallow lagoons (Ref. 1602). Present in seagrass beds at all life stages (Ref. 41878). Feeds primarily on small crustaceans and occasionally on scales from fishes (Ref. 1602).

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 Petroscirtes variabilis may be found.

Habitat

Substrate
Substrate Ref.
Special habitats Beds: algae/seaweed; sea grass; Coral Reefs;
Special habitats Ref. Nguyen, N.T. and V.Q. Nguyen, 2006

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 3.10 0.43 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. oophagy)
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