Pollimyrus nigricans (Boulenger, 1906)
EOL Text
Favors the shallow mud bottom waters near fringing vegetation such as papyrus and Vossia. Feeds mainly on Caridina and caenid larvae (Ref. 9606). Oviparous (Ref. 205). A male to female ratio of 1:10.5 has been noted for this species (Ref. 10608). Migrates up the river to spawn (Ref. 10608).
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| Rights holder/Author | Pascualita Sa-a, FishBase |
| Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=11028 |
The dark stonebasher (Pollimyrus nigricans) is a species of fish in the Mormyridae family.
Contents
Location[edit]
It is found in Burundi, Kenya, Tanzania, and Uganda. In Africa, they can be found at Lake Victoria, Nabugabo and Kyoga; the Kiruni River (Semliki Valley), Malagarasi River and Tanganyika Lake. [1]
Biology[edit]
Its natural habitats are rivers, swamps, freshwater lakes, freshwater marshes, and inland deltas. It can be found in tropical climates. They are also known to swim up the river to spawn. The Dark stonebasher also prefers the shallow muddy bottom of waters near vegetation. [1]
Feeding[edit]
The Dark stonebasher mainly feeds on Caridina and caenid larvae. [1]
Threats[edit]
It is threatened by habitat loss.
References[edit]
- ^ a b c "Pollimyrus nigricans (Boulenger, 1906) Dark stonebasher". Fish Base. Retrieved 31 December 2012.
Notes[edit]
- Twongo, T.K. 2005. Pollimyrus nigricans. 2006 IUCN Red List of Threatened Species. Downloaded on 4 August 2007.
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Lake Victoria basin (Seegers et al. unpub.); Lakes Nabugabo and Kyoga; the Kiruni River (Semuliki valley); upper and middle Akagera. Malagarasi drainage.
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| Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/60350 |
Africa: Lakes Victoria, Nabugabo and Kyoga; the Kiruni River (Semliki Valley), Malagarasi River and Tanganyika Lake.
| License | http://creativecommons.org/licenses/by-nc/3.0/ |
| Rights holder/Author | Pascualita Sa-a, FishBase |
| Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=11028 |
Eastern Africa: Lake Victoria and Victoria Nile.
Maximum size: 100 mm SL
10.0 cm SL (male/unsexed; (Ref. 4967))
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| Rights holder/Author | Pascualita Sa-a, FishBase |
| Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=11028 |
Habitat and Ecology
Systems
- Freshwater
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| Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/60350 |
demersal; potamodromous (Ref. 10608); freshwater
| License | http://creativecommons.org/licenses/by-nc/3.0/ |
| Rights holder/Author | Pascualita Sa-a, FishBase |
| Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=11028 |
Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
| License | http://creativecommons.org/licenses/by-nc/3.0/ |
| Rights holder/Author | Pascualita Sa-a, FishBase |
| Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=11028 |