Ecology Summary - Marcusenius macrolepidotus

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Main Ref.	Gosse, J.-P., 1984
Remarks	Prefers well-vegetated, muddy bottomed marginal habitats of rivers and floodplains. A shoaling species which moves inshore after dark. Frequency of occurence in Caprivi: occasionally in sandy streams, occasionally on rocky streams, common in standing deep water, common in shallow swamps, and common in shallow flood plains (Ref. 037065). Migrates within rivers. Recorded to move up tributaries in shoals during flood season (Ref. 13337). Feeds on invertebrates, especially midge and mayfly larvae and pupae taken from the bottom and off plant stems.

Main Ref.

Gosse, J.-P., 1984

Remarks

Prefers well-vegetated, muddy bottomed marginal habitats of rivers and floodplains. A shoaling species which moves inshore after dark. Frequency of occurence in Caprivi: occasionally in sandy streams, occasionally on rocky streams, common in standing deep water, common in shallow swamps, and common in shallow flood plains (Ref. 037065). Migrates within rivers. Recorded to move up tributaries in shoals during flood season (Ref. 13337). Feeds on invertebrates, especially midge and mayfly larvae and pupae taken from the bottom and off plant stems.

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 Marcusenius macrolepidotus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Gosse, J.-P., 1984
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Gosse, J.-P., 1984

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	3.20	0.24			Troph of juv./adults from 2 studies.
From individual food items	3.20	0.40			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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