Mormyrus caschive Linnaeus, 1758

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Biology:

Bottom feeding insectivore; feeds mainly on chironomid larvae (Ref. 28714).

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorPascualita Sa-a, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=10959

Range Description:

This species is found the entire length of the Nile.

Eastern Africa: It has a widespread distribution including Lakes Edward, George and Albert, the Albert and Albert Nile and the Aswa River (This species is known from upper Nile system).

Northern Africa: It is present but rare in Egyptian This species is known from upper Nile.

Northeast Africa: This species occurs in the Ghazal and Jebel systems, White Nile, and Blue Nile to Lake Nasser (also known as Lake Nubia), as well as the Baro River and Rift lakes, Ethiopia

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/60726

Africa: Lower Nile and Bahr-el-Jebel, Lakes Edward, George and Albert, Albert and Murchison Niles near the delta.

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorPascualita Sa-a, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=10959

Eastern Africa.

Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthorFishWise Professional, FishWise Professional
Sourcehttp://www.fishwisepro.com/Species/details.aspx?Zoom=True&SId=13157

Maximum size: 1000 mm TL

Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthorFishWise Professional, FishWise Professional
Sourcehttp://www.fishwisepro.com/Species/details.aspx?Zoom=True&SId=13157

Max. size:

100.0 cm TL (male/unsexed; (Ref. 3203))

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorPascualita Sa-a, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=10959

Habitat and Ecology:

Habitat and Ecology

This species is expected to be similar to that of Mormyrus kannume which prefers both inshore and offshore waters of lakes. Its diet consists mainly of aquatic insects, particularly chironomid larvae and small shrimps, worms and vegetation. It is active mainly at night, and favours quite deep water with a soft muddy bottom. It breeds in summer.

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/60726

Environment:

demersal; freshwater; pH range: 5.0

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorPascualita Sa-a, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=10959

Bottom feeding insectivore; feeds mainly on chironomid larvae.

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

IUCN Red List Assessment:
Red List Category

LC
Least Concern

Red List Criteria

Version

3.1

Year Assessed

2010

Assessor/s

Azeroual, A., Getahun, A. & Twongo, T.

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 eastern and north eastern Africa. Within northern Africa the species is assessed as Vulnerable.

History

  • 2006
    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/60726
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith