Ecology Summary - Glossogobius giuris

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Main Ref.	Schuster, W.H., 1960
Remarks	Found mainly in freshwater and estuaries, but also enters the sea (Ref. 4833). Also occurs in canals, ditches and ponds (Ref. 12693). Juveniles and/or adults are found in mangrove inlets (Ref. 121464). Found in clear to turbid streams with rock, gravel or sand bottoms (Ref. 2847). Encountered in medium to large-sized rivers of the lower Mekong (Ref. 12975). Recorded as having been or being farmed in rice fields (Ref. 119549). Feeds on small insects, crustaceans and small fish. Grows to a much larger size in brackish water than in fresh water. Cannibalism is relatively common for this species (Ref. 48660).

Main Ref.

Schuster, W.H., 1960

Remarks

Found mainly in freshwater and estuaries, but also enters the sea (Ref. 4833). Also occurs in canals, ditches and ponds (Ref. 12693). Juveniles and/or adults are found in mangrove inlets (Ref. 121464). Found in clear to turbid streams with rock, gravel or sand bottoms (Ref. 2847). Encountered in medium to large-sized rivers of the lower Mekong (Ref. 12975). Recorded as having been or being farmed in rice fields (Ref. 119549). Feeds on small insects, crustaceans and small fish. Grows to a much larger size in brackish water than in fresh water. Cannibalism is relatively common for this species (Ref. 48660).

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 Glossogobius giuris may be found.

Habitat

Substrate	Soft Bottom: sand; Hard Bottom: rocky;
Substrate Ref.
Special habitats	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.	Schuster, W.H., 1960
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Weliange, W.S. and U.S. Amarasinghe, 2007

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	3.66	0.20	4.22	0.93	Troph of juv./adults from 4 studies.
From individual food items	3.57	0.59			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Weliange, W.S. and U.S. Amarasinghe, 2007

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