Marcusenius brucii (Boulenger, 1910)

Onglets principaux

EOL Text

Range Description:

This species is known only from the rivers Ogun and Oshun in Nigeria and from the Mono in Togo. Probably also in the Mono River in Benin and Ghana.

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Rights holder/AuthorInternational Union for Conservation of Nature and Natural Resources
Sourcehttp://www.iucnredlist.org/apps/redlist/details/182679

Africa: Ogun and Oshun rivers in Nigeria (Ref. 3203) and Mono in Togo (Ref. 13331). Affinities: meristically close to Marcusenius senegalensis; difference only in the body form and caudal peduncle.

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Rights holder/AuthorTess Cruz, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=5080

West-central Africa.

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Rights holder/AuthorFishWise Professional, FishWise Professional
Sourcehttp://www.fishwisepro.com/Species/details.aspx?Zoom=True&SId=11134

Dorsal spines (total): 0; Dorsal soft rays (total): 24 - 36; Analspines: 0; Analsoft rays: 29 - 31

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorMaria Lourdes D. Palomares, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=5080

Maximum size: 175 mm SL

Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthorFishWise Professional, FishWise Professional
Sourcehttp://www.fishwisepro.com/Species/details.aspx?Zoom=True&SId=11134

Max. size:

33.0 cm SL (male/unsexed; (Ref. 31256))

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorTess Cruz, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=5080

Ratio base of dorsal/base of anal = 0.8-0.9; body length/SL ratio = 2.9-3.3 peduncle 1.9-2.0 x longer than deep.

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorMaria Lourdes D. Palomares, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=5080

Habitat and Ecology:

Habitat and Ecology

It is a medium size mormyrid growing to 17 cm SL. This is a demersal species in shallow waters. It can emit a weak electrical discharge. It is non-migratory.

Systems

  • Freshwater
Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthorInternational Union for Conservation of Nature and Natural Resources
Sourcehttp://www.iucnredlist.org/apps/redlist/details/182679

Environment:

demersal; freshwater

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorTess Cruz, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=5080

IUCN Red List Assessment:
Red List Category

VU
Vulnerable

Red List Criteria

B1ab(ii,iii); D2

Version

3.1

Year Assessed

2010

Assessor/s

Olaosebikan, B.D. & Laly, P.

Reviewer/s

Abban, K. & Darwall, W.

Contributor/s

Justification

The range thresholds for the criterion B under the Vulnerable category is met (extent of occurrence less than 20,000 km). The species is found in two to three locations. Its habitat in Nigeria has large human populations with serious deforestation and possible of habitat loss ongoing threats to this species. Therefore is assessed as Vulnerable.
Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthorInternational Union for Conservation of Nature and Natural Resources
Sourcehttp://www.iucnredlist.org/apps/redlist/details/182679
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith