Ecology Summary - Gobio gobio

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Main Ref.	Michel, P. and T. Oberdorff, 1995
Remarks	Inhabits fast flowing rivers with sand or gravel bottom but may also occur in still waters. Forms schools. Feeds on insect larvae, mollusks, and crustaceans. Normally active during the day but if they are disturbed, in particular, by predators, they can defer their activity to periods when light intensity is weak. Capable of emitting squeaking sounds. These vocalizations, which is a means by which fish communicate with each other, vary with the degree of activity and the temperature and are independent of the season of reproduction (Ref. 30578).

Main Ref.

Michel, P. and T. Oberdorff, 1995

Remarks

Inhabits fast flowing rivers with sand or gravel bottom but may also occur in still waters. Forms schools. Feeds on insect larvae, mollusks, and crustaceans. Normally active during the day but if they are disturbed, in particular, by predators, they can defer their activity to periods when light intensity is weak. Capable of emitting squeaking sounds. These vocalizations, which is a means by which fish communicate with each other, vary with the degree of activity and the temperature and are independent of the season of reproduction (Ref. 30578).

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 Gobio gobio may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Fonte Biblio.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Maitland, P.S. and R.N. Campbell, 1992
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Maitland, P.S. and R.N. Campbell, 1992

Trophic Level(s)

Estimation method	Original sample		Unfished population		Commento
Estimation method	Troph	s.e.	Troph	s.e.	Commento
From diet composition
From individual food items	3.13	0.38			Trophic level estimated from a number of food items using a randomized resampling routine.
Fonte Biblio.

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