Ecology Summary - Gadopsis bispinosus

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Main Ref.	Allen, G.R., S.H. Midgley and M. Allen, 2002
Remarks	Occurs in cool, clear streams with rocky bottoms in mountain terrain (Ref. 33616); with fast to moderate flow (Ref. 44894). Often abundant at altitudes of 200-700 m (Ref. 33616). Benthic, nocturnally active species which usually occurs solitary. Juveniles often found in large groups among leaf litter and wood debris. Movements are restricted to a relatively small stretch of river over the duration of the life span. Occurs with G. marmoratus at lower elevations, but they have different habitat preferences. Feeds on insect larvae, fishes, fish eggs, earthworms and crustaceans.

Main Ref.

Allen, G.R., S.H. Midgley and M. Allen, 2002

Remarks

Occurs in cool, clear streams with rocky bottoms in mountain terrain (Ref. 33616); with fast to moderate flow (Ref. 44894). Often abundant at altitudes of 200-700 m (Ref. 33616). Benthic, nocturnally active species which usually occurs solitary. Juveniles often found in large groups among leaf litter and wood debris. Movements are restricted to a relatively small stretch of river over the duration of the life span. Occurs with G. marmoratus at lower elevations, but they have different habitat preferences. Feeds on insect larvae, fishes, fish eggs, earthworms and crustaceans.

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 Gadopsis bispinosus may be found.

Habitat

Substrate	Benthic; Hard Bottom: rocky;
Substrate Ref.	Allen, G.R., S.H. Midgley and M. Allen, 2002
Special habitats
Special habitats Ref.

Associations

Ref.
Associations	solitary; schooling;
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Allen, G.R., S.H. Midgley and M. Allen, 2002
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition
From individual food items	3.60	0.50			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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