Mormyrus hasselquistii Valenciennes, 1847

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Range Description:

This species is widely distributed from Senegal to Ethiopia.

Northern Africa: It was recorded by Boulenger (1907) from Egyptian Lower Nile, but is now Regionally Extinct.

Northeast Africa: It is found in the Ghazal and Jebel systems, and White Nile to Khartoum, Sudan, as well as Baro River, Ethiopia.

Western Africa: This species is known from the Sahelo-Sudanese basins, the Sngal, Gambia and Volta, Gba, Bandama, Como, Mono and the lagoons Ebri and Aguien.

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/182292

Importance:

fisheries: commercial

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorCrispina B. Binohlan, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=2396

Africa: Nile and Chad basins. Known from the great Sahelo-Soudanian basins in Senegal, Gambia and Volta; also in the Mono, the Gêba, the Bandama, the Comoe River, and the Ebrie and Aguien lagoons (Ref. 2915).

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorCrispina B. Binohlan, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=2396

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=28891

Dorsal spines (total): 0; Dorsal soft rays (total): 63 - 82; Analspines: 0; Analsoft rays: 16 - 20

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorMaria Lourdes D. Palomares, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=2396

Maximum size: 480 mm SL

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=28891

Max. size:

50.0 cm SL (male/unsexed; (Ref. 31256)); max. published weight: 1,115 g (Ref. 2915)

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorCrispina B. Binohlan, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=2396

Caudal peduncle high, 1.1-2.0 length to length ratio. 4.2-6.2 SL/depth ratio; silver color sometimes grayish or darker, back grayish yellow, green or black, stomach white, whitish yellow or clear gray.

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorMaria Lourdes D. Palomares, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=2396

Environment:

demersal; potamodromous (Ref. 51243); freshwater

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorCrispina B. Binohlan, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=2396

Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.

Licensehttp://creativecommons.org/licenses/by-nc/3.0/
Rights holder/AuthorCrispina B. Binohlan, FishBase
Sourcehttp://www.fishbase.org/summary/SpeciesSummary.php?id=2396
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith