Overview

Comprehensive Description

Biology

Inhabits open water and vegetated areas of lakes, lagoons and irrigation canals. Females grow larger and are more frequently caught than males. Chiefly insectivorous, feeding on the bottom and in vegetation (Ref. 28714). Affinities: P. ansorgii, differ only by the small eyes, the thick caudal peduncle, numerous teeth on lower jaw and the uniform silvery color (P. ansorgii has a spot on the dorsal fin).
  • Gosse, J.-P. 1984 Mormyridae. p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3203)
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General Description

Originale description from Lacepède (1803) :

Le mormyre bané (Mormyrus [i.e., Petrocephalus] bane):

Le museau obtus; la mâchoire supérieure beaucoup plus avancée que l'inférieure ; la dorsale égale en longueur à la nageoire de l'anus; un seul orifice à chaque narine.

La huitième espèce de mormyre de Lacepède

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Distribution

Africa.
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Africa: Nile basin, also from the Bénoué, Chad and Volta River (Ref. 2915).
  • Gosse, J.-P. 1984 Mormyridae. p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3203)
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Described from the Nile River. Elsewhere, Petrocephalus bane is widely distributed in West Africa.

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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 29 - 34; Analspines: 0; Analsoft rays: 32 - 38
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Size

Max. size

20.0 cm SL (male/unsexed; (Ref. 31256)); max. published weight: 40.0 g (Ref. 3799)
  • Ita, E.O. 1984 Kainji (Nigeria). p. 43-103. In J.M. Kapetsky and T. Petr (eds.) Status of African reservoir fisheries. CIFA Tech. Pap. 10:326 p. (Ref. 3799)
  • Olaosebikan, B.D. and A. Raji 1998 Field guide to Nigerian freshwater fishes. Federal College of Freshwater Fisheries Technology, New Bussa, Nigeria. 106 p. (Ref. 31256)
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Diagnostic Description

Body depth 2.6-3.2 x SL, anal base 3.1-3.4 x SL, caudal peduncle height 16.8-18.7 x SL. Eye diameter 3.5-4.5 x head length. Uniform silvery color.
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Ecology

Habitat

Environment

demersal; potamodromous (Ref. 51243); freshwater
  • Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243)
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Migration

Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
  • Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243)
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Trophic Strategy

Feeds mostly on insects (Ref. 6160).
  • Hickley, P. and R.G. Bailey 1987 Food and feeding relationships of fish in the Sudd swamps (River Nile, southern Sudan). J. Fish Biol. 30:147-159. (Ref. 6160)
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
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Wikipedia

Petrocephalus bane

Petrocephalus bane is a species of elephantfish native to Africa where it occurs in the basins of the Nile, Bénoué and Volta rivers and the Chad Basin. It prefers relatively still waters of lakes, irrigation canals and lagoons. This species can reach a length of 20 centimetres (7.9 in) SL. It can also be found in the aquarium trade.[1]

References[edit]

  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2014). "Petrocephalus bane" in FishBase. February 2014 version.


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