Ecology of Gerres oblongus
 
Main Ref. Myers, R.F., 1991
Remarks Occurs inshore (Ref. 75154). Prefers coralline areas (Ref. 30573); forms schools (Ref. 12915, 75154). Migrates to specific sandy areas near outer reef edge to spawn in late afternoons during full moon. Feeds on small benthic organisms living on sandy bottoms (Ref. 3409, 12915).

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 Gerres oblongus may be found.

Habitat

Substrate Soft Bottom: sand; silt; mud;
Substrate Ref. Hoese, D.F., D.J. Bray, J.R. Paxton and G.R. Allen, 2006
Special habitats Coral Reefs;
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Woodland, D.J., 1984
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Woodland, D.J., 1984
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.50 0.37 Tentative trophic level derived from 1 + troph of a single food item
Ref.
(e.g. 346)
(e.g. cnidaria)
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