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Mormyridae
Marcusenius brucii (Boulenger, 1910)
EOL Text
West-central Africa.
Dorsal spines (total): 0; Dorsal soft rays (total): 24 - 36; Analspines: 0; Analsoft rays: 29 - 31
| License | http://creativecommons.org/licenses/by-nc/3.0/ |
| Rights holder/Author | Maria Lourdes D. Palomares, FishBase |
| Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=5080 |
Maximum size: 175 mm SL
Max. size:
33.0 cm SL (male/unsexed; (Ref. 31256))
| License | http://creativecommons.org/licenses/by-nc/3.0/ |
| Rights holder/Author | Tess Cruz, FishBase |
| Source | http://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.
| License | http://creativecommons.org/licenses/by-nc/3.0/ |
| Rights holder/Author | Maria Lourdes D. Palomares, FishBase |
| Source | http://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
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/182679 |
Environment:
demersal; freshwater
| License | http://creativecommons.org/licenses/by-nc/3.0/ |
| Rights holder/Author | Tess Cruz, FishBase |
| Source | http://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
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.
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/182679 |
Population:
Population
No available data.
Population Trend
Unknown
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/182679 |
Threats:
Major Threats
Habitat loss and degradation from agriculture, urban development and deforestation.
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/182679 |