Tag Archive: Nile perch

Dec 23 2017

Use of oval structure in the breeding of river fishes in Uganda

Credit: Godfrey Byaruhanga (Uganda)     In such breeding system, fish gets conditioned to flowing water and follows the direction opposite to the current. During this period, the broodfish starts to breed. Such fish species include Nile perch, Chinese carps (in particular grass carp). The oval construction is composed of water outlets with control valves. …

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Permanent link to this article: http://fishconsult.org/?p=14262

Nov 30 2017

A tour in a fish market in Heliopolis (Cairo – Egypt) – Video

      This video was filmed in a fish market located in Heliopolis, Cairo (Egypt). The display shows variety of fin fishes, shrimp, squid, and mussel. Tilapia and Nile perch are the key finfish species. As seen in the video, the processing and cooking may take place in the shop depending on the consumer …

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Permanent link to this article: http://fishconsult.org/?p=14242

Jun 24 2017

Nile perch swim bladder from neglecting to trading (video)

Typically, swim bladder in fish contains gas (usually oxygen) and functions as a hydrostatic organ, enabling the fish to maintain its depth without floating upward or sinking. Nile perch (Lates niloticus) is a luxury fish with high commercial value in Africa especially when exported. Upon processing Nile perch not long ago, whether in local markets or for export, …

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Permanent link to this article: http://fishconsult.org/?p=14026

May 10 2014

Introduction of several fish species in ER Rahad reservoir (Sudan)

Credit: Mamoun Obeida (Sudan) During September to November, 2010 new fish species were introduced in ER Rahad reservoir (a town in North Kurdufan Province in central Sudan). The introduced fish species included Nile perch, Lates niloticus (Family: Centnopomida), Bagrus bajad, Bagrus docmak (Family: Bagridae) and African catfish, Clarias gariepinus (Family: Clariidae). This project was funded …

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Permanent link to this article: http://fishconsult.org/?p=10858

Aug 27 2013

Fish-pass on the Jebel Aulia dam in Sudan – Historic information (1946)

Sources: E.B. Worthington, Middle East Science, 1946. Publisher: London: His Majesty’s Stationery Office Caption of the photo: Fish-pass on the Jebel Aulia dam in Sudan. Above the dam a shallow lake extends to 340,000 acres for six months in each year. It offers a big opportunity for fishery development. The following paragraph is cited from …

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Permanent link to this article: http://fishconsult.org/?p=8961

Oct 20 2012

Industrial fish processing in Uganda

Credit: Mbiro Alexander (Uganda) The photos show fish processing factories which are located mainly around Lake Victoria. Uganda exports considerable quantities of fish products especially Nile perch, Lates niloticus. The principal fishery products are chilled & frozen fillets, fish maws, fats & red meat, skin, head and flanks. Note: We decided not to watermark the photos in …

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Permanent link to this article: http://fishconsult.org/?p=6295

Sep 06 2012

Predation efficiency of Nile perch, Lates niloticus

This 2-slide information bite addresses the predation efficiency of Nile perch in relation to its characteristics especially its mouth and gapes. The bite touched the case study of the introduction of Nile perch into Lake Victoria and the impacts of the introduction. The predator-prey relationship has been addressed in this bite which is supported by …

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Permanent link to this article: http://fishconsult.org/?p=5506

Feb 05 2012

Artisanal fishery in the Nile (Uganda)

Credit:Enima Chris (Uganda) The overview of the Nile shows the heavy coverage of the river with aquatic plants such as water hyacinth and papyrus which tend to block fishing activities by the fishermen. However, fishermen cut through the plants and set their nets. The common gears and methods used include, gillnets, beach seine, tycooning, spears, …

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Permanent link to this article: http://fishconsult.org/?p=2385