Cyphomyrus cubangoensis (Pellegrin, 1936)

Onglets principaux

EOL Text

Habitat and Ecology:

Habitat and Ecology

This is a demersal species. It is a nocturnal shoaling species which favours large river channels with a soft bottom and fringing vegetation (Skelton 1993). Found mainly in sheltered bays, lagoons and swampy areas. It prefers deeper water to other small mormyrids but also occurs under fringing vegetation of sandy rivers. During the Zambezi flood in 2003, the species was caught in a stream overflowing from the rising main river into inland pans, and in a newly flooded field, suggesting lateral movements from the main river for breeding, stimulated by rising water levels (Tweddle et al.2004). It is a nocturnal shoaling species which, like other mormyrids, can generate a weak electric field around its body using specialized skeletal muscles, which it uses to detect small invertebrates on which it preys, and is often caught in large numbers by subsistence fishermen. It feeds on insect larvae at night (Konings 1990). Known to migrate up tributary rivers of Lake Kariba during rainy season, though it is not yet clear whether this is a breeding migration (Bell-Cross and Minshull 1988). Breeds during the rainy season; females carry up to 5,000 eggs.

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/167949

Environment:

demersal; freshwater

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorSusan M. Luna, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=5407

Nocturnal shoaling species; favors large river channels with a soft bottom and fringing vegetation (Ref. 7248). Found mainly in sheltered bays, lagoons and swampy areas. Occurs also in typical sandy/rocky rivers (Ref. 13337). Frequency of occurence in Caprivi: frequently on rocky streams, occasionally in standing deep water (Ref. 037065). Feeds on insect larvae at night. Known to migrate up tributary rivers of Lake Kariba during rainy season,though it is not yet clear whether this is a breeding migration (Ref. 13337). Breeds during the rainy season; females carry up to 5,000 eggs.

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorDrina Sta. Iglesia, FishBase
SourceNo source database.

Statistics of barcoding coverage: Cyphomyrus cubangoensis:

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1

Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorSujeevan Ratnasingham, Paul D.N. Hebert, Barcode of Life Data Systems (BOLD)
Sourcehttp://www.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=459269

Barcode data: Hippopotamyrus discorhynchus:

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File

Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorSujeevan Ratnasingham, Paul D.N. Hebert, Barcode of Life Data Systems (BOLD)
Sourcehttp://www.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=285709

Statistics of barcoding coverage: Hippopotamyrus discorhynchus:

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 6
Species With Barcodes: 1

Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorSujeevan Ratnasingham, Paul D.N. Hebert, Barcode of Life Data Systems (BOLD)
Sourcehttp://www.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=285709

IUCN Red List Assessment:
Red List Category

LC
Least Concern

Red List Criteria

Version

3.1

Year Assessed

2010

Assessor/s

Bills, R., Marshall, B., Moelants, T. & Tweddle, D.

Reviewer/s

Snoeks, J., Tweddle, D., Getahun, A., Laly, P., Paugy, D., Zaiss, R., Fishar, M.R.A & Brooks, E.

Contributor/s

Justification

This species has a wide distribution, with no known major widespread threats. It is therefore listed as Least Concern. It has also been assessed regionally as Least Concern for central, eastern and southern Africa.

History

  • 2009
    Least Concern (LC)
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/167949

Population:

Population

Currently, there is a lack of detailed population numbers and the global trend is unknown.

Population Trend

Unknown
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/167949

Biology:

Nocturnal shoaling species; favors large river channels with a soft bottom and fringing vegetation (Ref. 7248, 52193). Found mainly in sheltered bays, lagoons and swampy areas; occurs also in typical sandy or rocky rivers (Ref. 13337). Feeds on bottom-living invertebrates (Ref. 52193) and insect larvae at night (Ref. 5595). Known to migrate up tributary rivers of Lake Kariba during rainy season, though it is not yet clear whether this is a breeding migration (Ref. 13337). Breeds during summer rainy season; females carry up to 5,000 eggs (Ref. 7248).

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorSusan M. Luna, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=5407

Threats:

Major Threats

This species has commercial importance as an aquarium fish. As well as a risk of overfishing (particularly in lakes), illegal fishing, especially by use of poisons and small meshed nets across rivers threatens this species. In east Africa it is also threatened by pollution of the inshore riverine environment, silt loading, and deforestation and encroachment of wetlands for agriculture.
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/167949
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith