Ecology Summary - Gerres cinereus

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Main Ref.	Randall, J.E., 1967
Remarks	Inhabits shallow coastal waters in open sandy and surf areas, seagrass beds, near reefs, and mangrove channels (Ref. 7251). Enters brackishwater, sometimes even freshwater (Ref. 3722). May occur in small aggregations (Ref. 3722). Often seen feeding in sand patches among reefs by thrusting its mouth into the sediment and expelling sand from the gill openings (Ref. 13442). Feeds on benthic invertebrates such as worms, clams, crustaceans (Ref. 3722); Mobile invertebrates feeder (Ref. 57616).

Main Ref.

Randall, J.E., 1967

Remarks

Inhabits shallow coastal waters in open sandy and surf areas, seagrass beds, near reefs, and mangrove channels (Ref. 7251). Enters brackishwater, sometimes even freshwater (Ref. 3722). May occur in small aggregations (Ref. 3722). Often seen feeding in sand patches among reefs by thrusting its mouth into the sediment and expelling sand from the gill openings (Ref. 13442). Feeds on benthic invertebrates such as worms, clams, crustaceans (Ref. 3722); Mobile invertebrates feeder (Ref. 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 Gerres cinereus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats	Beds: sea grass; 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.	Randall, J.E., 1967
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Randall, J.E., 1967

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	3.47	0.20	3.29	0.43	Troph of juv./adults from 1 study.
From individual food items	3.20	0.35			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Randall, J.E., 1967

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