Hippopotamyrus castor
Size:
to 305 mm SL
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Mormyridae
Hippopotamyrus castor Pappenheim 1906
EOL Text
Distribution:
Restricted to the Sanaga, Wouri, Lokoundje and upper Cross Rivers of Cameroon.
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | Sullivan, John P., Sullivan, John P., Hopkins, Carl D., Africhthy |
| Source | http://mormyrids.lifedesks.org/pages/2075 |
West-central Africa: Cameroon.
Maximum size: 260 mm SL
Max. size:
26.0 cm SL (male/unsexed; (Ref. 2915))
| License | http://creativecommons.org/licenses/by-nc/3.0/ |
| Rights holder/Author | Tess Cruz, FishBase |
| Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=5201 |
Size:
to 305 mm SL
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | Sullivan, John P., Sullivan, John P., Africhthy |
| Source | http://mormyrids.lifedesks.org/pages/2075 |
Habitat and Ecology:
Habitat and Ecology
This mormyrid grows to 26 cm SL. It is a demersal species, and uses a weak electrical discharge to locate prey.
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/167955 |
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=5201 |
Electric Organ Discharge:
The EOD has three phases and the total duration is approximately 0.21 msec (not including the small initial peak, P0, which is less than the 2% of the threshold that is used to measure EOD durations). The main peaks of the EOD are P1 and P2, which are about equal in amplitude. The height of P0 is less than 0.2% of the peak to peak height. The power spectrum peaks at about 5,000 Hz.
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | Sullivan, John P., Hopkins, Carl D., Africhthy |
| Source | http://mormyrids.lifedesks.org/pages/2075 |
IUCN Red List Assessment:
Red List Category
LC
Least Concern
Red List Criteria
3.1
Year Assessed
2010
Assessor/s
Moelants, T.
Reviewer/s
Brummett, R., Mbe Tawe, A.N., Dening Touokong, C., Reid, G.M., Snoeks, J. Staissny, M., Moelants, T., Mamonekene, V., Ndodet, B., Ifuta, S.N.B., Chilala, A., Monsembula, R., Ibala Zamba, A., Opoye Itoua, O., Pouomogne, V., Darwall, W. & Smith, K.
Contributor/s
Although restricted to Cameroon, this species' range falls within the Cross River National Park and it is not known to be facing any major threats. It is therefore assessed as Least Concern.
| 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/167955 |
Population:
Population
No information available.
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/167955 |