Cyphomyrus grahami
Distribution:
Lake Victoria basin. See Fishbase for museum records and localities.
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Mormyridae
Cyphomyrus grahami (Norman, 1928)
EOL Text
Environment:
benthopelagic; 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=12617 |
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=12617 |
Occurs in shallow coastal waters over sand. Feeds on a wide range of prey, including the larvae of Chaoborus.
| License | http://creativecommons.org/licenses/by-nc/3.0/ |
| Rights holder/Author | Drina Sta. Iglesia, FishBase |
| Source | No source database. |
IUCN Red List Assessment:
Red List Category
LC
Least Concern
Red List Criteria
3.1
Year Assessed
2006
Assessor/s
Ntakimazi, G., Twongo, T.K. & Hanssens, M.
Reviewer/s
Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)
Contributor/s
Fairly large extent of occurrence. Widespread species with no major widespread threats identified.
| 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/60357 |
Population:
Population
Not known, but fairly common (Greenwood 1966).
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/60357 |
Threats:
Major Threats
Minor commercial fisheries (after Froese and Pauly 2003) (see also Mahy 1977); regression of wetlands due to agriculture extension; and competitive displacement by introduced species.
| 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/60357 |
Least Concern (LC)
| 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=12617 |
Conservation Actions:
Conservation Actions
None known.
| 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/60357 |
Biology:
Occurs in shallow coastal waters over sand. Feeds on a wide range of prey, including the larvae of Chaoborus (Ref. 9606). Oviparous (Ref. 205). Migrates up the river to spawn (Ref. 10608).
| 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=12617 |
Importance:
fisheries: minor commercial
| 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=12617 |