Search
Now showing items 31-40 of 74
Length-weight relationship of fishes caught by trawl off Alexandria, Egypt
Type: Journal Article
This paper presents the length-weight relationship parameters (a and b) for 29 fish species, belonging to 16 families, taken by otter trawl fishing from Egyptian Mediterranean waters. The b values obtained ranged from 2.50 ...
Outlook for fish to 2020: meeting global demand
Type: Book
The seemingly inexhaustible oceans have proved to be finite after all. Landings of wild fish have leveled off since the mid-1980s, and many stocks of fish are fished so heavily that their future is threatened. And yet the ...
Food and feeding habits of Synodontis nigrita from the Osun River, SW Nigeria
Type: Journal Article
An investigation was conducted into the food and feeding habits of Synodontis nigrita from the Osun River near Epe, Lagos, Nigeria. The food items in the stomach of the S. nigrita covered a wide spectrum, ranging from ...
Une étude des produits halieutiques de faible valeur commercialisés dans la région du Lac Victoria
Type: Report
L’essor de la pêche commerciale, notamment de l’exportation de la perche du Nil, a entraîné la réduction des stocks de poissons et de la disponibilité du poisson auprès des populations de la région du Lac Victoria. Cette ...
Fish to 2020: supply and demand in changing global markets
Type: Report
Using a state-of-the art computer model of global supply and demand for food and feed commodities, this book projects the likely changes in the fisheries sector over the next two decades. As prices for most food commodities ...
Baseline biochemical and genetic profiles of four fishes from the River Nile
Type: Journal Article
Six enzyme systems coding for 10 loci and 6 proteins were examined in the blood of Polypterus senegalus, Clarias lazera, Tilapia nilotica and Protopterus annectens, using electrophoresis. Six loci were polymorphic in all ...
Seaweeds preferred by herbivorous fishes
Type: Journal Article
Marine macrobenthic algae (or seaweeds), epiphytic microalgae, and other aquatic plants constitute the main food items of marine herbivorous fishes. About 5% of all fish species are herbivorous; only 30% of these are marine, ...
Biodiversity, management and utilization of West African fishes
Type: Book
Since 1997, the WorldFish Center (formerly known as ICLARM) currently headquartered in Malaysia, the CSIR-Water Research Institut (WRI) at Accra in Ghana, and the Univerity of Hamburg’s Institut und Zoologisches Museum in ...
Preferences of fishes to different types of Katha materials used in sanctuaries in three rivers of Netrokona.
Type: Journal Article
Use of different fish-friendly ‘katha’ materials in fish sanctuary is a new concept in Bangladesh. Two kilometers area of each of the three rivers namely the Updakhali, the Kalihar and the Kangsha in Netrokona district ...
Development of aquatic animal genetic improvement and dissemination programs : current status and action plans
Type: Report
WorldFish Center in collaboration with the China Academy of Fishery Sciences organized the international “Workshop on Dissemination of Improved Fish Strains: Country-Specific Action Plans” on 21-22 September (2005) in ...