Overview

Comprehensive Description

Biology

Affinities: P. pellegrini. Generates electric organ discharge (EOD) of short duration that seems to correlate with aggregative behavior of the species (Ref. 14060; 10601). EOD temporal pattern cues have been shown to play a role in species recognition for P. bovei (Ref. 10600). A ratio measure between olfactory and visual receptor areas suggests that this species relies more on visual than olfactory information (Ref. 10839). A fractional spawner (Ref. 10605; 10606).
  • 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

Modified from Valenciennes in Cuvier and Valenciennes (1847) :

Le Mormyre de Bové. (Mormyrus Bovei, nob.)

Dans toutes les espèces dont j'ai parlé jusqu'à présent, les nombres des rayons de la dorsale et de l'anale différaient très-peu; dans celle que je vais décrire je trouve une dorsale courte, ayant de vingt à vingt- trois rayons, tandis que l'anale reste longue comme dans les précédentes, car je lui compte de trente et un à trente-trois rayons, avec ces différences de nageoires impaires, je trouve un corps étroit et allongé. La hauteur entre les deux nageoires verticales est un peu au-dessous du quart de la longueur totale. La saillie du museau est très-courte, ce qui le rend plus arrondi que chez aucun autre. La fente de la bouche répond au milieu de l'orbite, parce que l'œil est encore plus avancé que dans les précédents.

Dorsal fin rays : 23; Anal fin rays : 31 ou 33.

Les couleurs sont argentées, un peu plombées sur le dos. Les nageoires sont blanches ; la caudale a cependant quelques teintes grises, ainsi que les premiers rayons de la dorsale. J'ai examiné un grand nombre d'individus de cette espèce rapportés du Nil par M. Geoffroy, qui sont tous de même taille et qui n'ont que quatre pouces et demi. M. Bové en a procuré au Muséum deux exemplaires parfaitement bien conservés et de même taille, qui ont servi à ma description.

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Distribution

Africa: Chad, Niger, Volta, Gambia and Senegal basins, including the Nile. Also known from Côte d'Ivoire (Ref. 272).
  • 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.

Widespread distributed in West Africa.

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Africa.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 21 - 28; Analspines: 0; Analsoft rays: 27 - 35
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Size

Maximum size: 100 mm SL
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Max. size

11.0 cm SL (male/unsexed; (Ref. 383)); max. published weight: 10.0 g (Ref. 3799); max. reported age: 3 years (Ref. 2749)
  • 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)
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Diagnostic Description

body depth 2.9-3.7 x SL, anal base 3.2-4.7 x SL, caudal peduncle height 13.3-19.3 x SL. Eye diameter 2.7-4.6 x head length. Uniformly brilliant silver color, sometimes grayish or brownish.
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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 on insects (Ref. 3681).
  • Whitehead, V. 1969 Investigations into the food habits of some juvenile fish in the Volta Lake during the period from October 1969 to March 1969 with some notes on distribution and abundance. University of Ghana, Volta Research Project Tech. Rep. X30. (Ref. 3681)
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Life History and Behavior

Life Cycle

Builds a nest for the eggs. No guarding or tending has been observed, though.
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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

fisheries: of no interest
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